Related Manuals for Eaton Cooper Power NOVA NX-STS
Summary of Contents for Eaton Cooper Power NOVA NX-STS
- Page 1 COOPER POWER Reclosers SERIES Effective March 2023 MN280103EN New Issue NOVA NX-STS single-tank, triple-single, electronically controlled recloser installation and operation instructions...
-
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
Troubleshooting ............19 INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 4: Safety For Life
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 5: Product Information
® installing or operating this equipment. Description This recloser is used in conjunction with Eaton’s Cooper Power series Form 7 recloser control. Refer to Service The NOVA NX-STS single-tank, triple-single recloser Information MN280095EN Form 7 Microprocessor Based consists of three single-phase reclosers in a single tank. -
Page 6: Ratings And Specifications
NOVA NX-STS recloser 45–55 90–100 Total 232 Total 232 Table 5 . Auxiliary switch ratings Volts Amperes Up to 30 Vdc Up to 250 Vac Minimum applicable load 0.16 A at 5.0 Vdc INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 7: Dimensions
41.40 (1052.0) 41.40 (1052.0) 41.40 (1052.0) 41.40 (1052.0) Lower terminal to ground 26.70 (678.0) 30.50 (775.0) 30.50 (775.0) 38.70 (983.0) 38.70 (983.0) ote: All dimensions are in inches (mm). Dimensions shown are approximate. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... - Page 8 27.0 (125 kV BIL) 54.30 (1379.0) 23.60 (599.0) 27.0 (150 kV BIL) 58.20 (1478.0) 27.40 (696.0) 38.0 (170 kV BIL) 58.20 (1478.0) 27.40 (696.0) All dimensions are in inches (mm). Dimensions shown are approximate. ote: INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
- Page 9 15.5 (125 kV BIL) 54.30 (1379.0) 27.0 (125 kV BIL) 54.30 (1379.0) 27.0 (150 kV BIL) 58.20 (1478.0) 38.0 (170 kV BIL) 58.20 (1478.0) ote: All dimensions are in inches (mm). Dimensions shown are approximate. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
- Page 10 PT type C inches (mm) 27.0 (150 kV BIL) 56.90 (1445.0) 78.70 (1999.0) ote: All dimensions are in inches (mm). 38.0 (170 kV BIL) 56.90 (1445.0) 81.10 (2060.0) Dimensions shown are approximate. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
-
Page 11: Installation Procedure
TO VERIFY A DE-ENERGIZED CONDITION. FAILURE TO DO SO CAN each recloser data plate (see Figure 5) are correct for RESULT IN CONTACT WITH HIGH VOLTAGE, WHICH WILL CAUSE the planned installation. DEATH OR SEVERE PERSONAL INJURY. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... - Page 12 RESULTING IN EQUIPMENT DAMAGE. NOTICE EQUIPMENT DAMAGE MAY OCCUR IF TORQUE VALUES ARE EXCEEDED. b. Connect high-voltage lines to recloser bushing terminals. The recommended torque value for bushing terminal-to-line connection is 45–50 ft lb. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
-
Page 13: Removing Recloser From Service
7. Block ground sensing via the control panel. 8. Close source and load disconnect switches. 5. Disconnect the control battery. 9. Close reclosers via control signal. 10. Open bypass switches. 11. Enable ground sensing, if applicable. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 14: Recloser Operation
INDICATOR; IT DOES NOT ENSURE THAT THE LINE HAS BEEN DE-ENERGIZED. ALWAYS ESTABLISH A VISIBLE DISCONNECT. FAILURE TO FOLLOW PROPER SAFETY PRACTICES CAN RESULT IN CONTACT WITH HIGH VOLTAGE, WHICH WILL CAUSE DEATH OR SEVERE PERSONAL INJURY. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 15: Electronic Control
Form 7 control. All close operations are Automatic operation initiated by the control. The NOVA NX-STS recloser, in the CLOSED position, operates automatically per the control-programmed settings. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 16: Contact Position Indicator
SAFETY PRACTICES AND USE A SEPARATE DETECTION METHOD TO VERIFY A DE-ENERGIZED CONDITION. FAILURE TO DO SO CAN RESULT IN CONTACT WITH HIGH VOLTAGE, WHICH WILL CAUSE DEATH OR SEVERE PERSONAL INJURY. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... - Page 17 EQUIPMENT MISOPERATION. VERIFY ALL CONNECTOR PINS AND BOTH MATING INTERFACE SURFACES ARE CLEAN AND DRY BEFORE CONNECTING CABLES. VOLTAGE-SENSING ERRORS CAN RESULT FROM CONTAMINATION. FAILURE TO COMPLY CAN RESULT IN CONTROL AND RECLOSER MISOPERATION. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
- Page 18 Current sensing outputs are clamped at 250 Vac when the control cable is disconnected. Do not touch the female receptacle connections of the control/voltage-sensing cable. Figure 12 . Form 7 system configuration screen representation for a 15 kV system INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
-
Page 19: Accessories
Aluminum the horizontal recloser terminal. cables may produce aluminum oxide sufficient to compromise the electrical connections. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 20: Integrated Voltage Sensor Option (6 Sensors)
Form 7 control, in conjunction with other control cable signals including TRIP and CLOSE, recloser status, and current values. The control cable uses Eaton’s MIL -DTL -38999 Series IV twist-lock cable connector design. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 21: Service Information
THE RADIATION EMITTED BY THE VACUUM INTERRUPTER IS NEGLIGIBLE. HOWEVER, ABOVE THESE VOLTAGES, RADIATION INJURIOUS TO PERSONNEL CAN BE EMITTED. SEE SERVICE INFORMATION S280-90-1, VACUUM INTERRUPTER WITHSTAND TEST VOLTAGE RATINGS INFORMATION FOR FURTHER INFORMATION. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 22: Withstand Test Results
Eaton representative. ote: Test results for NOVA NX-STS reclosers equipped with voltage-sensing options may be influenced by the sensing resistor, especially if DC high-potential testing is performed. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com... -
Page 23: Troubleshooting
Control Installation and Operation Instructions for the to the module rods, the module must be replaced. battery testing procedure Contact an authorized service center or your Eaton representative. 6. Inspect the operating rod for damage. Check the module surface and major and minor sheds for cracks, holes, and major chips. - Page 24 TERMINATE TO A Aux COM SEPARATE AUX SWITCH CONNECTOR. 69b combined HV AC > SWITCH COM > Load - IVS > > > Source VS > Load VS > VS Neutral > INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
- Page 25 Phase C Coil- PhC (Close-/Trip+) > Internal Wiring 52a PhC > 52b PhC > (See Figure 17 for 69a PhC > typical con guration) Source VS PhC > Load VS PhC > INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
- Page 26 Aux 52a Aux 52b Phase A Aux Sw Com 14 Pin M connector Aux 52a Aux 52b Aux Sw Com Phase B Customer connection Aux 52a Aux 52b Phase C Aux Sw Com INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
- Page 27 Service information This page is intentionally left blank. INSTALLATION AND OPERATION INSTRUCTIONS MN280103EN March 2023 www.eaton.com...
- Page 28 © 2023 Eaton All Rights Reserved Printed in USA Eaton is a registered trademark. Publication No. MN280103EN / Z27254 For Eaton‘s Cooper Power series product March 2023 information, call 1-877-277-4636 or visit: All trademarks are property KA2048 0774 Rev 00 of their respective owners.