Eaton Cooper Power Form 7 Installation And Operation Instruction Manual
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Eaton Cooper Power Form 7 Installation And Operation Instruction Manual

Form 7 microprocessor-based pole-mount recloser control, for nova nx-t and nova nx-sts, nova ts and nova sts, control powered nova, auxiliary powered nova , we/vwe family, vsa, and vso reclosers.
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Reclosers
MN280095EN
orm 7 microprocessor-based pole-mount recloser control
F
installation and operation instructions
Applies to:
Form 7 NX-T (37-pin) used with NOVA NX-T and NOVA NX-STS
Form 7 TS (26-pin) used with NOVA TS and NOVA STS
Form 7 (19-pin) used with control powered NOVA
Form 7 (14-pin) used with auxiliary powered NOVA
Form 7 (14-pin) used with WE/VWE family, VSA, and VSO reclosers
COOPER POWER
Effective May 2024
Supersedes November 2020
SERIES

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Summary of Contents for Eaton Cooper Power Form 7

  • Page 1 COOPER POWER Reclosers SERIES Effective May 2024 MN280095EN Supersedes November 2020 orm 7 microprocessor-based pole-mount recloser control installation and operation instructions Applies to: Form 7 NX-T (37-pin) used with NOVA NX-T and NOVA NX-STS Form 7 TS (26-pin) used with NOVA TS and NOVA STS Form 7 (19-pin) used with control powered NOVA Form 7 (14-pin) used with auxiliary powered NOVA Form 7 (14-pin) used with WE/VWE family, VSA, and VSO reclosers...

  • Page 2: Disclaimer Of Warranties And Limitation Of Liability

    CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES. In no event will Eaton be responsible to the purchaser or user in contract, in tort (including negligence), strict liability or otherwise for any special, indirect, incidental or consequential damage or loss whatsoever, including but not limited to...

  • Page 3: Table Of Contents

    CONTENTS SAFETY INFORMATION ............................V Hazard statement definitions ............................v Safety instructions ................................v INTRODUCTION ...............................1 About this document ................................. 1 Product information ................................1 ANSI standards .................................. 1 Quality standards................................1 Acceptance and initial inspection ............................1 Handling and storage ................................. 1 FORM 7 CONTROL DESCRIPTION .........................2 Description ..................................
  • Page 4 CONTENTS, CONTINUED TESTING .................................36 Testing an installed control .............................. 36 Remove the control from service ............................ 36 AC power OFF verification .............................. 37 Preliminary testing with no AC available ......................... 38 Electrical testing of NOVA NX-T ............................39 Control testing with a KMET tester ..........................39 Battery test and charging procedures ..........................

  • Page 5: Hazard Statement Definitions

    FOR LIFE FOR LIFE Eaton meets or exceeds all applicable industry standards relating to product safety in its Cooper Power™ series products. We actively promote safe practices in the use and maintenance of our products through our service literature, instructional training programs, and the continuous efforts of all Eaton employees involved in product design, manufacture, marketing, and service.
  • Page 6 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions his page is intentionally left blank. INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...

  • Page 7: Introduction

    ANSI standards After three months of storage (from the previous test date), Eaton Cooper Power Series reclosers are designed test and then charge the batteries for 24 hours. Catalog and tested in accordance with the following IEEE/IEC Number KA43ME7001 is a 120-Volt battery charger used to C37 .60 Standard for Automatic Circuit Reclosers and...

  • Page 8: Form 7 Control Description

    If user requirements change, the control functions can be modified to meet the Description new requirements. The Form 7 control is designed for use with Eaton’s Cooper Power series three-phase reclosers that include: Theory of operation Eaton recloser type...
  • Page 9 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions FORM 7 CONTROL FORM 7 MODULE FRONT PANEL OPTIONAL TRANSFORMERS OPTIONAL MECHANICAL EXTERNAL OPEN/CLOSE/HOT SENSORS PCIE BUS LINE TAG RS-232 NX-T RJ-45 RECLOSER IRIG-B AØ 52a/b SWITCHES PT ATTENUATOR LEA VOLTAGE SENSING BOARD (TB8) (PT VOLTAGE VOLTAGE DAQ...
  • Page 10 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions FORM 7 CONTROL FORM 7 MODULE FRONT PANEL OPTIONAL TRANSFORMERS OPTIONAL MECHANICAL EXTERNAL OPEN/CLOSE/HOT PCIE BUS SENSORS LINE TAG RS-232 NX-STS RJ-45 RECLOSER IRIG-B AØ 52a/b SWITCHES PT ATTENUATOR LEA VOLTAGE SENSING BOARD (PT VOLTAGE VOLTAGE DAQ...
  • Page 11 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions FORM 7 CONTROL FORM 7 MODULE FRONT PANEL OPTIONAL TRANSFORMERS OPTIONAL MECHANICAL EXTERNAL OPEN/CLOSE/HOT PCIE BUS SENSORS LINE TAG RS-232 RJ-45 IRIG-B 14 PIN RECLOSERS OPTIONAL INTERNAL VOLTAGE DAQ VOLTAGE SENSING (IVS, AVAILABLE ON NOVA 4 PIN CONNECTOR 3PH ONLY)
  • Page 12 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions FORM 7 CONTROL FORM 7 MODULE FRONT PANEL OPTIONAL OPTIONAL TRANSFORMERS MECHANICAL OPEN/CLOSE/HOT PCIE BUS EXTERNAL LINE TAG SENSORS RS-232 RJ-45 IRIG-B 19 PIN NOVA 3PH RECLOSERS (CONTROL POWERED) VOLTAGE DAQ OPTIONAL INTERNAL VOLTAGE SENSING (IVS)
  • Page 13 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions FORM 7 CONTROL FORM 7 MODULE FRONT PANEL OPTIONAL MECHANICAL OPTIONAL OPEN/CLOSE/HOT PCIE BUS LINE TAG TRANSFORMERS EXTERNAL RS-232 SENSORS NOVA TS RJ-45 RECLOSERS IRIG-B AØ 52a/b SWITCHES INTERNAL VOLTAGE SENSING, (IVS) VOLTAGE DAQ BØ...
  • Page 14 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions FORM 7 CONTROL FORM 7 MODULE FRONT PANEL OPTIONAL MECHANICAL OPEN/CLOSE/HOT OPTIONAL PCIE BUS TRANSFORMERS LINE TAG EXTERNAL RS-232 SENSORS RJ-45 NOVA STS IRIG-B RECLOSER AØ 52a/b SWITCHES LEA VOLTAGE SENSING VOLTAGE DAQ BØ...

  • Page 15: Operation

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions OPERATION Mechanically Ganged Three-Phase Lockout All three phases will simultaneously trip and close due to a protection event or user command. Form 7 NX-T and Form 7 (26-pin) triple single recloser IMPORTANT: If the Front Panel Inactivity Time Delay controls—modes of operation is enabled (default), and more than 15 minutes has...

  • Page 16: Front Panel

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions The NOVA NX-T recloser’s mechanical blocking feature For faults above the ground minimum trip value, and below prohibits the phase to be closed with its handle pulled down. the phase minimum trip value, all three phases trip on The open signal to trip and lockout the device is sent from ground and advance to the next sequence position.
  • Page 17 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Status LEDs Function keys and LEDs LCD and numeric keypad HOT LINE TAG, Trip and Close buttons Figure 8. Front panel Form 7 (14-pin) and (19-pin) control Status LEDs The control includes a Front Panel Inactivity Time Delay that causes the LCD display to revert to the Recloser Status The status LEDs reflect the control and recloser status.

  • Page 18: Data Ports

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions GROUND FAULT: The red LED indicates that a Ground tripping The LCD navigation buttons are as follows: function was asserted at the time the trip signal was asserted. ENTER: Select a menu option LOCKOUT: A lit LED indicates the phase (A, B, or C) is in a ESCAPE: Return to the previous screen locked-out state.
  • Page 19 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions HOT LINE TAG ON/OFF The Form 7 control default configuration is with a membrane pushbutton for TRIP , CLOSE, and Hot Line Tag. Optional mechanical pushbuttons for TRIP and CLOSE and a toggle switch for Hot Line Tag are available.
  • Page 20 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Line Tag LED will not turn off when the inactivity timer Function keys and LEDs is reached. Function keys provide quick access to frequently operated Form 7 control features (Figure 12 and Figure 13). Each Hot Line Tag prevents all closing attempts from the control key has a red LED that indicates the status of the function, and shifts protection to one trip-to-lockout on the composite...

  • Page 21: Change Removable Inserts

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Change removable inserts To change the front panel inserts: ote: It is not necessary to disconnect any wires. Pull gently from the top to change remove the insert. ote: The insert will slide out of the top of the programming panel indicator section (Figure 14).

  • Page 22: Control Outline And Module Views

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Control outline and module views CONTROL MODULE MANUAL ENCLOSURE MANUAL HEALTH HEALTH BATTERY RECONNECT CONTROL FUSES 5 AMP, 250V VOLTAGE "FU1" & "FU2" SENSING MAC ADDRESS 000CC1 XXXXXX P103 P104 CI1 CI2 CO1 CO2 P101 RS-232 DTE...

  • Page 23: Expansion Bay

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions AUXILIARY I/O 1 OPT AUXILIARY I/O 2 OPT AUXILIARY I/O 3 OPT MANUAL MANUAL EXPANSION BAY 4 HEALTH HEALTH BATTERY RECONNECT EXPANSION BAY 5 EXPANSION BAY 6 EXPANSION BAY 7 VOLTAGE SENSING MAC ADDRESS...
  • Page 24 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions CONTROL MODULE ENCLOSURE MANUAL MANUAL HEALTH HEALTH BATTERY RECONNECT CONTROL FUSES 5 AMP, 250V "FU1" & "FU2" MAC ADDRESS 000CC1 XXXXXX CI1 CI2 CO1 CO2 P103 P104 P101 RS-232 DTE DOOR P102 POWER SUPPLY...
  • Page 25 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions AUXILIARY I/O 1 OPT AUXILIARY I/O 2 OPT AUXILIARY I/O 3 OPT MANUAL EXPANSION BAY 4 MANUAL HEALTH HEALTH BATTERY RECONNECT EXPANSION BAY 5 EXPANSION BAY 6 EXPANSION BAY 7 VOLTAGE SENSING RIF TS/3P...

  • Page 26: Communications Hardware

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Communications hardware 2 contact input Communication ports and 2 contact Contact input/output output terminals designation label On the CPU board, the standard Form 7 control has the following standard ports (see Figure 19): 9-pin RS-232 port ●...

  • Page 27: Control Dimensions And Receptacle Positions

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Control dimensions and receptacle positions PROVISIONS 17.40 [442] FOR 5/8" BOLT MOUNTING 15.96 [405] CENTER OF GRAVITY, APPROX. 40.00 [1016] 29.01 [737] 37.00 [940] 3 POINT LATCH 114° HANDLE 17.68 [449] .75 DIA HOLE 24.74 [628] PROVIDED FOR...

  • Page 28: Control Information Label

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions VENT OPENING EXTERNAL COMMS AUXILIARY SWITCH ANTENNA CONNECTION LOW VOLTAGE CLOSING/HEATER INTERNAL VOLTAGE SENSING (FOR 14 AND 26 PIN APPLICATIONS ONLY) (IVS, FOR 14 AND 19 PIN APPLICATIONS ONLY) POWER SOURCE 2 POWER SOURCE 1 GROUND LUG, FOR #4-#14 SOLID...

  • Page 29: Installation

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions INSTALLATION Control/recloser compatibility Prerequisites Perform all prerequisites and have all items needed on hand Table 3. Control/recloser compatibility chart before beginning installation Control type Recloser type Perform initial programming (prior to installation) Form 7 NX-T NOVA NX-T CAUTION...

  • Page 30: Procedure

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Procedure Mount the control The following steps outline how to install the Form 7 WARNING control. Additional information on each step is provided in the related sections: THIS EQUIPMENT IS NOT INTENDED TO PROTECT HUMAN LIFE. FOLLOW ALL LOCALLY APPROVED PROCEDURES AND SAFETY Complete prerequisites (page 23): PRACTICES WHEN INSTALLING OR OPERATING THIS EQUIPMENT.

  • Page 31: Ground The Control

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Ground the control IMPORTANT: All external inputs to the Form 7 control must be routed within 8 inches of their corresponding WARNING ground. During a surge, a potential of approximately 1.5 kV per foot can develop in the conductors.
  • Page 32 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Transformer Supply voltage Surge Form 7 control Typical transformer mounting arrester is 180 to the recloser Transformer Line NEUTRAL line Surge Pole voltage arrester Input terminal Surge block arrester External Ground Lug Surge Electrical connections...
  • Page 33 Figure 25. Recommended grounding for control installed on 4-wire multi-grounded, 3-wire ungrounded, or impedance-grounded systems with remote supply voltage transformer (NOVA NX-T shown for reference); recommended grounding applies to all three-phase Eaton recloser types Grounding on a 3-wire uni-grounded system...

  • Page 34: Install The Battery

    Figure 26. Recommended grounding for control installed on a 3-wire uni-grounded system (NOVA NX-T shown for reference); recommended grounding applies to all three-phase Eaton recloser types Figure 27. 24-Volt DC 13 Ahr battery INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...

  • Page 35: Make Customer Connections For Ac Power

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Make customer connections for AC power Power supply (battery charger) Incoming AC power is routed to the power supply. The DANGER power supply is configured at the factory based on the HAZARDOUS VOLTAGE.

  • Page 36: Customer Wiring

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions TB7 power supply terminal block TB8 metering terminal block This contact provides power to the Form 7 control and is This contact provides voltage monitoring to the Form 7 directly connected to the power supply circuit board. TB7 control and is directly connected to the voltage sensing terminals are touch safe, spring-loaded and sized for up to board.
  • Page 37 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Standard default supervisory input control and output status contacts Maximum switching power Make standard customer connections to TB1. Refer to Figure 30, Table 4, and Table 5. The Workbench NXG allows customization of all the control and status points.
  • Page 38 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions power supply SHIELD Factory-supplied Customer wiring 28 Vdc Whetting voltage terminals 28 Vdc whetting voltage — Customer wiring REMOTE Not all remote connections shown Figure 31. Shielding and surge protection for supervisory and remote cables for standard I/Os INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 39 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions power supply SHIELD Factory-supplied Customer wiring 28 Vdc Whetting voltage terminals 28 Vdc whetting voltage — Customer wiring REMOTE AUX TB I/O CI1 wiring shown. 2 CI1 CI2 through CI4 can be wired the same.

  • Page 40: Nx-T Junction Box

    37-pin receptacle. Each NOVA NX-T recloser junction box cable and the single control cable utilizes Verify control cables are supported and connected. Eaton’s MIL-DTL-38999 Series IV connector and is Check that the control battery is connected and has completely sealed against moisture.

  • Page 41: Lock The Control

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Lock the control Battery replacement and disposal The 24 Vdc control battery has a life expectancy of four years. To prevent unauthorized access, install a padlock on the It is recommended that the battery be replaced after four years handle of the Form 7 control cabinet.

  • Page 42: Testing

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions TESTING Remove the control from service IMPORTANT: Disconnect switches for AC sensing and power connections are necessary to isolate the Form 7 CAUTION control for testing and servicing. EQUIPMENT MISOPERATION. DO NOT CONNECT THIS CONTROL IMPORTANT: The control must be removed from service TO AN ENERGIZED RECLOSER UNTIL ALL CONTROL SETTINGS in the exact order specified in this section.

  • Page 43: Ac Power Off Verification

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions AC power OFF verification Form 7 NX-T power supply (37-pin) Form 7 power supply (14, 19, and 26 pin) WARNING WARNING HAZARDOUS VOLTAGE. DO NOT DISASSEMBLE THIS MODULE HAZARDOUS VOLTAGE. DO NOT DISASSEMBLE THIS MODULE WITH THE CONTROL ENERGIZED OR WHILE THE “HIGH VOLTAGE WITH THE CONTROL ENERGIZED OR WHILE THE “HIGH VOLTAGE PRESENT LED”...

  • Page 44: Preliminary Testing With No Ac Available

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Preliminary testing with no AC available If the Form 7 control is not in service and preliminary testing needs to be performed, the control can be powered through its connected battery. To perform preliminary testing with no AC available: MANUAL Open the swing panel of the Form 7 pole-mount...

  • Page 45: Electrical Testing Of Nova Nx-T

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Electrical testing of NOVA NX-T WARNING HAZARDOUS VOLTAGE. SOLIDLY GROUND ALL EQUIPMENT. FAILURE TO COMPLY CAN RESULT IN DEATH, SEVERE PERSONAL INJURY, AND EQUIPMENT DAMAGE. MANUAL Figure 38 shows a test circuit for NOVA NX-T reclosers with BATTERY the Form 7 control.
  • Page 46 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Installed battery test Uninstalled battery test Follow the procedure below to perform a battery test in the This entire process should be conducted in a clean Form 7 control. The values in the test procedures are based environment, such as a repair shop, and requires an external on testing at 77 ºF (25 ºC).

  • Page 47: Return The Control To Service

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Return the control to service Items required: KA43ME7001 charger CAUTION ● KME5-325-1 adapter EQUIPMENT MISOPERATION. DO NOT CONNECT THIS CONTROL ● TO AN ENERGIZED RECLOSER UNTIL ALL CONTROL SETTINGS To charge the Form 7 Pole-mount Recloser Control high HAVE BEEN PROPERLY PROGRAMMED AND VERIFIED.

  • Page 48: Accessories

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions ACCESSORIES Table 7. Communications hardware accessories Description Catalog number These accessories are available. Contact your Eaton Radio shelf option representative for additional information. Radio shelf KME7-5576-A Additional communication cards Polyphaser accessory...

  • Page 49: Auxiliary Contact I/O

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions To install an auxiliary contact I/O card, the Form 7 must be powered down. Remove the bay cover (secured with two screws) for the desired auxiliary bay (1, 2, or 3) and insert the auxiliary contact I/O card into the bay using the internal guide rails.

  • Page 50: Bct Accessory

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions BCT accessory LOAD SIDE SOURCE SIDE 1200:5 MULTI- 600:5 MULTI- XØ C.T. AØ C.T. RATIO BCT'S RATIO BCT'S TAPS RATIO RATIO TAPS X1-X5 1200:5 X1-X5 600:5 X2-X5 1000:5 X2-X5 500:5 X3-X5 X3-X5 900:5...

  • Page 51: Incoming Power Receptacles

    A Triple Single adapter, specific for the Form 6 NX-T and Form 7 is needed to interface the Form 7 control with the KMET tester. This adapter can be purchased from Eaton. Contact your Eaton representative for additional information Figure 44. Form 7 recloser control input...

  • Page 52: Appendix A-Form 7 Ac Input Wiring Diagrams

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions APPENDIX A—FORM 7 AC INPUT WIRING DIAGRAMS PIN A: HOT PIN A: L1 HOT PIN B: GROUND PIN B: NEUTRAL PIN C: NEUTRAL PIN C: L2 HOT OPTIONAL 120V OPTIONAL 240V 3P INPUT 3 PIN INPUT RECEPTACLE...
  • Page 53 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions TO POWER SUPPLY TO OTHER 120VAC LOADS 2 PIN MALE INPUT RECEPTACLES, 3 PIN OPTIONAL OPTIONAL 2ND AC SOURCE Figure 47. Form 7 NX-T (37-pin) fused input power connections 120/240 Vac INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 54 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions TO ALL 120VAC LOADS OPTIONAL 120VAC TRANSFER RELAY, REQUIRED IF A SECOND SOURCE AC SOURCE IS PRESENT BRIDGE JUMPER NOT INCLUDED WITH TRANSFER RELAY OPTION 2 PIN MALE INPUT RECEPTACLES, 3 PIN OPTIONAL OPTIONAL 2ND AC SOURCE...
  • Page 55 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions TO ALL 120VAC LOADS OPTIONAL 120VAC TRANSFER RELAY, REQUIRED IF A SECOND SOURCE AC BRIDGE SOURCE IS PRESENT JUMPER NOT INCLUDED WITH TRANSFER RELAY OPTION 2 PIN MALE INPUT RECEPTACLES, 3 PIN OPTIONAL OPTIONAL 2ND AC SOURCE...
  • Page 56 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions 2 PIN FEMALE OUTPUT RECEPTACLE Figure 50. LVC or recloser tank heater INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...

  • Page 57: Appendix B-Form 7 Voltage Sensing Wiring Diagrams

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions APPENDIX B—FORM 7 VOLTAGE SENSING WIRING DIAGRAMS Form 7 voltage Form 7 voltage sensing board sensing board (board 250) (board 250) P251 P252 P251 P252 1 3 5 2 4 6 1 3 5 2 4 6 BUSHING...
  • Page 58 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Form 7 voltage Form 7 voltage sensing board sensing board (board 250) (board 250) P251 P252 P251 P252 1 3 5 2 4 6 1 3 5 2 4 6 BUSHING BUSHING Loop Scheme...
  • Page 59 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Form 7 voltage Form 7 voltage sensing board sensing board (board 250) (board 250) P251 P252 P251 P252 1 3 5 2 4 6 1 3 5 2 4 6 BUSHING BUSHING Loop Scheme...
  • Page 60 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Form 7 voltage sensing board (board 250) P253 TB8 WITHOUT LOOP SCHEME TEST SWITCHES OPTIONAL TB8 WITH TEST SWITCHES BUILT-IN 26 PIN 8 PIN CONTROL VOLTAGE RECEPTACLE INPUT RECEPTACLE Figure 54. Voltage sensing option A—Form 7 triple single (26-pin); IVS shown wired to monitor voltage on bushings 1, 3, and 5;...
  • Page 61 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Form 7 voltage sensing board (board 250) P253 TB8 WITHOUT LOOP SCHEME TEST SWITCHES OPTIONAL TB8 WITH TEST SWITCHES BUILT-IN FACTORY POSITION OF THESE WIRES ON TB8 IS DETERMINED BY PHASE 26 PIN SELECTION CONTROL...
  • Page 62 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Form 7 voltage sensing board (board 250) P253 TB8 WITHOUT LOOP SCHEME TEST SWITCHES OPTIONAL TB8 WITH TEST SWITCHES BUILT-IN 8 PIN 4 PIN IVS VOLTAGE RECEPTACLE INPUT RECEPTACLE Figure 56. Voltage sensing option A—Form 7 auxiliary powered (14-pin) and control powered (19-pin), IVS and 1 Mohm sensor inputs to monitor voltage on bushings 2, 4, and 6 INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 63 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Form 7 voltage sensing board (board 250) P253 TB8 WITHOUT LOOP SCHEME TEST SWITCHES OPTIONAL TB8 WITH TEST SWITCHES BUILT-IN FACTORY POSITION OF THESE WIRES ON TB8 IS DETERMINED BY PHASE SELECTION 4 PIN IVS RECEPTACLE...
  • Page 64 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Form 7 voltage sensing board (board 250) P253 TB8 WITHOUT LOOP SCHEME TEST SWITCHES OPTIONAL TB8 WITH TEST SWITCHES BUILT-IN FACTORY POSITION OF THESE WIRES ON TB8 IS DETERMINED BY PHASE SELECTION Figure 58.

  • Page 65: Pt Transformer Connections

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions PT transformer connections TB8 can be wired for wye or delta, up to six voltages. Jumpers are provided for delta wiring. Refer to Figure 59 for basic wiring of three-phase wye connection. Refer to Figure 60 for basic wiring of a three-phase delta connection.
  • Page 66 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions DANGER WARNING HAZARDOUS VOLTAGE. DO NOT CONNECT POTENTIAL HAZARDOUS VOLTAGE. BEFORE APPLYING POWER TO THE TRANSFORMER LOW-VOLTAGE SECONDARIES TO THE CONTROL CONTROL, CONFIRM THAT MALE PINS OF THE INPUT POWER THROUGH CABLES OR OTHER WIRING UNTIL THE UNIT IS RECEPTACLE ARE ELECTRICALLY INSULATED TO PREVENT INSTALLED IN THE FIELD.
  • Page 67 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions DANGER WARNING HAZARDOUS VOLTAGE. DO NOT CONNECT POTENTIAL HAZARDOUS VOLTAGE. BEFORE APPLYING POWER TO THE TRANSFORMER LOW-VOLTAGE SECONDARIES TO THE CONTROL CONTROL, CONFIRM THAT MALE PINS OF THE INPUT POWER THROUGH CABLES OR OTHER WIRING UNTIL THE UNIT IS RECEPTACLE ARE ELECTRICALLY INSULATED TO PREVENT INSTALLED IN THE FIELD.

  • Page 68: Appendix C-Basic Wiring Diagrams

    Form 7 microprocessor-based pole-mount recloser control installation and operation instructions APPENDIX C—BASIC WIRING DIAGRAMS Figure 62. Form 7 NX-T and NOVA NX-T wiring diagram with six LEA sensors INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 69 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 63. Form 7 NX-T and NOVA NX-T wiring diagram with three LEA sensors/three PTs, includes PT to LEA attenuator board INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 70 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 64. Form 7 NX-T and NOVA NX-T wiring diagram with six PTs, includes PT to LEA attenuator board INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 71 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 65. Form 7 NX-T and NOVA NX-T wiring diagram with six LEA sensors and LS (loop scheme) test switches INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 72 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 66. Form 7 NX-T and NOVA NX-T wiring diagram with three LEA sensors/three PTs and LS (loop scheme) test switches, includes PT to LEA attenuator board INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 73 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 67. Form 7 NX-T and NOVA NX-T wiring diagram with six PTs and LS (loop scheme) test switches, includes PT to LEA attenuator board INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 74 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 68. Form 7 NX-T and NOVA NX-STS recloser basic wiring and six LEA voltage sensors INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 75 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions APPENDIX D Figure 69. Form 7 STS (26-pin) with NOVA STS recloser basic wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 76 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 70. Form 7 TS (26-pin) with NOVA TS recloser basic wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 77 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 71. Form 7 (14-pin) with NOVA auxiliary powered NOVA recloser (14-pin) basic wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 78 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 72. Form 7 (19-pin) with control powered NOVA (19-pin) recloser basic wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 79 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 73. Form 7 (14-pin) with WE/VWE recloser basic wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 80 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 74. Form 7 (14-pin) with WE/VWE recloser with low-voltage closing (LVC) basic wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 81 Form 7 microprocessor-based pole-mount recloser control installation and operation instructions Figure 75. Form 7 (14-pin) with VSA/VSO recloser basic wiring diagram INSTALLATION AND OPERATION INSTRUCTIONS MN280095EN May 2024...
  • Page 82 2024 Eaton © All Rights Reserved Printed in USA Eaton is a registered trademark. Publication No. MN280095EN / Z27250 For Eaton’s Cooper Power series product KA2048-761 REV 01 information, call 1-877-277-4636 or visit: All trademarks are property www.eaton.com/cooperpowerseries. May 2024...

This manual is also suitable for:

Cooper power form 7 nx-tCooper power form 7 ts

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