ABB MicroVersaTrip Plus Installation Instruction
  1. Manuals
  2. Brands
  3. ABB Manuals
  4. Industrial Equipment
  5. MicroVersaTrip Plus
  6. Installation instruction
ABB MicroVersaTrip Plus Installation Instruction

ABB MicroVersaTrip Plus Installation Instruction

For i-t-e® types k-225, k-600, k-800, k-1600, k-2000 low-voltage power circuit breakers
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
GEH6294 Installation Instructions R04
MicroVersaTrip Plus™ and
MicroVersaTrip PM™ Conversion Kits
For I-T-E
Types K-225, K-600, K-800, K-1600, K-2000
®
Low-Voltage Power Circuit Breakers
INTRODUCTION
ABB owned GE Conversion Kits are designed
for
upgrading existing I-T-E® low-voltage
power
circuit
breakers,
replacing
the
entire
Conversion Kits include MicroVersaTrip
Plus™
or
MicroVersaTrip
Units,
representing
technological advance in ABB trip systems.
MicroVersaTrip Plus and MicroVersaTrip
PM Conversion Kits are designed and
tested to conform to ANSI Standard
C37.59,
allowing
properly install the kit and acceptance
test the breaker.
This
publication
of
MicroVersaTrip
MicroVersaTrip PM Conversion Kits on
I-T-E Type K-225, K-600, K-800, K-1600,
and K-2000 low-voltage power circuit
breakers. Each Conversion Kit contains all
the components needed to convert from
the
existing
I-T-E
trip system.
rather
than
breaker.
The
PM™
Trip
the
latest
the
retrofitter
to
covers
installation
Plus
and
electromechanical

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the MicroVersaTrip Plus and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for ABB MicroVersaTrip Plus

Summary of Contents for ABB MicroVersaTrip Plus

  • Page 1 GEH6294 Installation Instructions R04 MicroVersaTrip Plus™ and MicroVersaTrip PM™ Conversion Kits For I-T-E Types K-225, K-600, K-800, K-1600, K-2000 ® Low-Voltage Power Circuit Breakers INTRODUCTION ABB owned GE Conversion Kits are designed upgrading existing I-T-E® low-voltage power circuit breakers, rather than replacing entire breaker.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SECTION 1. GENERAL INFORMATION ........................3 SECTION 2. BEFORE INSTALLATION ........................3 SECTION 3. DISASSEMBLING THE BREAKER 225–800 Ampere Breakers ........................4 1600–2000 Ampere Breakers ........................5 SECTION 4. INSTALLING THE CONVERSION KIT Installing the Phase Sensors (CTs)......................7 225–800 Ampere Breakers ........................7 1600 Ampere Red-Frame Breakers .......................9 1600 Ampere Black-Frame Breakers ....................9 2000 Ampere Breakers .........................10...
  • Page 3 Figure 43. Neutral sensor outline for K-225, K-600, and K-800 breakers..............19 Figure 44. Neutral sensor outline for K-1600 and K-2000 breakers................20 Figure 4 5.Cabling diagram for MicroVersaTrip Plus™ and MicroVersaTrip PM™ trip units with ground fault on four-wire loads..........................23...

  • Page 4: Section 1. General Information

    • Do not work on a closed breaker or a breaker As a service-related consideration, the installation of with the closing springs charged. Trip the breaker OPEN and be sure the stored-energy a MicroVersaTrip Plus or MicroVersaTrip PM kit pro- springs are discharged, thus eliminating the vides excellent...

  • Page 5: Section 3. Disassembling The Breaker

    SECTION 3. DISASSEMBLING THE BREAKER ® I-T-E K-Series breakers need not be separated into front and back sections for installation of the conver- Housing Screws sion kit. The general procedure is to remove and dis- assemble the trip unit housing, then install the kit. First, remove the breaker to a clean, well-lighted work bench and place it in the upright position, so that both the front and back are easily accessible.

  • Page 6: 1600-2000 Ampere Breakers

    1600–2000 Ampere Breakers 4. Remove the electromechanical trip units by care- fully drilling out the four #10-32 screws in each On K-1600 and K-2000 breakers, each electrome- phase holding the trip units to the housing, as chanical trip unit is contained in its own insulated shown in Figure 3.

  • Page 7: Figure 7. Contact Arm Connections On K-1600 And K-2000 Breakers

    3. Remove and discard the four Philips-head screws above the copper load terminals that connect each trip unit to the contact arm, as shown in Figure 7. Pull the trip unit assemblies out the back of the breaker frame. Remove and Save 4.

  • Page 8: Section 4. Installing The Conversion Kit

    SECTION 4. INSTALLING THE CONVERSION KIT Bolt Installing the Phase Sensors (CTs) 225–800 Ampere Breakers 1. For red insulated-frame breakers only, place the 0.062" alignment shims among each of the four sets of mounting holes on the trip unit housing, as shown in Figure 10.

  • Page 9: Figure 14. Ct Assemblies Installed On K-225, K-600, And K-800 Breakers

    4 . Reattach the trip unit housing to the rear of the breaker housing, as shown in Figure 14, with the five Philips-head screws removed in step 1, page 4. Then connect each of the copper load terminals to the contact arms with the two -18 x "...

  • Page 10: 1600 Ampere Red-Frame Breakers

    1600 Ampere Red-Frame Breakers 1600 Ampere Black-Frame Breakers 1. Mount the brackets removed from the old copper 1. Mount the brackets removed from the old copper terminals in step 6 on page 6 to the insulated terminals in step 6 on page 6 to the insulated housings, using the screws removed in step 5 on housings, using the screws removed in step 5 on page 6.

  • Page 11: 2000 Ampere Breakers

    2000 Ampere Breakers This section applies to K-2000 breakers and to KDON K-1600 red-frame breakers with round primary disconnect fingers. 5 /16-18 Bolt Mount the brackets removed from the old copper terminals in step 6 on page 6 to the insulated housings, using the screws removed in step 5 on page 6.

  • Page 12: 1600 And 2000 Ampere Breakers (Continued)

    1600 and 2000 Ampere Breakers (continued) 5. Cut and remove the C-shaped projection on the insulating phase barrier inside the breaker frame. Remove all but of the projection to allow for clearance of the CT bus post, as shown in Figure 6.

  • Page 13: Installing The Flux Shifter

    Installing the Flux Shifter 1. Carefully rotate the breaker onto its back so that the bottom of the breaker is accessible. NOTE: If the breaker has already been con- verted to a solid state trip system, existing trip actuator and linkage must be removed and discarded.

  • Page 14: Flux Shifter Adjustment

    Flux Shifter Adjustment After the flux shifter has been installed, the following adjustment must be made: " x " Flux Shifter Reset Arm With the breaker upright in the CLOSED position, the between trip paddle flux shifter adjustment screw, shown in Figure 30, should be 1/32".

  • Page 15: Installing The Trip Unit Wiring Harness

    Installing the Trip Unit Wiring Harness Use the following procedure to install the trip unit wiring harness to the mounting plate. 1. The wiring harness includes a 36-pin connector, shown in Figure 31, that must be assembled and installed onto the trip unit mounting plate before the trip unit can be installed.

  • Page 16: Figure 34. Installing The Push Nuts Onto The Guide Pins

    4. Slide the adapter bracket and connector assembly over the guide pins of the trip unit bracket. Press the two steel push nuts provided onto the guide pins using a nut driver, as shown in Figure 34 , until the assembly is held firmly against the trip unit mounting plate.

  • Page 17: Installing The Trip Unit Mounting Plate

    Installing the Trip Unit Mounting Plate Connecting the Trip Unit Wiring Harness 1. Carefully rotate the breaker onto its back so that 1. Rotate breaker upright the bottom of the breaker is accessible. position. Remove the Philips-head screws at the front of the top cover, as shown in Figure 37. 2.

  • Page 18: Installing The Communications Harness

    Installing the Communications Harness The communications harness is used if the trip unit is to communicate with a power management control system. The communications connector, included in the trip unit wiring harness, mounted with the supplied angle bracket. This bracket has two small holes on one arm for attaching with screws to a convenient spot on the breaker frame and a large rectangular hole in the other arm for mounting the connector.

  • Page 19: Section 5. Installing The Trip Unit

    See GEH-6273 for detailed instructions on setting up MicroVersaTrip Plus and MicroVersaTrip PM trip units. Figure 42. Completed breaker assembly. Figure 41. Attaching the trip unit to the mounting bracket.

  • Page 20: Section 6. Four-Wire Ground Fault Option

    SECTION 6. FOUR-WIRE GROUND FAULT OPTION ground fault option four-wire installations requires installation additional current sen-sor on the neutral bus in the equipment. The sensor is connected to the trip unit through the connector provided in the wiring harness. 1. Mount the neutral sensor on the outgoing neutral lead, normally in the bus or cable compartment in the equipment.

  • Page 21: Figure 44. Neutral Sensor Outline For K-1600 And K-2000 Breakers

    Figure 44. Neutral sensor outline for K-1600 and K-2000 breakers.

  • Page 22: Section 7. Testing And Trouble-Shooting

    2. Check the insulation on the primary circuit with a examined if nuisance tripping is encountered on any 1,000-volt Meggar. breaker whose MicroVersaTrip Plus or MicroVersa- Trip PM trip unit has previously demonstrated satis- 3. Measure the resistance across the line and load factory performance.
  • Page 23 1. Check that all phase sensors are the same type (current range). 2. Verify that the tap settings on all three phase sensors are identical. 3. Verify that the wiring harness connections to the sensors have the proper polarity (white lead to common, black lead to tap), as shown in the cabling diagram in Figure 45.

  • Page 24: Figure 4 5.Cabling Diagram For Microversatrip Plus™ And Microversatrip Pm™ Trip Units With

    Figure 45. Cabling diagram for MicroVersaTrip Plus™ and MicroVersaTrip PM™ trip units with ground fault on four-wire loads.
  • Page 25 Should further information be desired or should particular problems arise that are not covered sufficiently for the purchaser's purposes, the matter should be referred to the ABB Inc. —...

This manual is also suitable for:

Microversatrip pm

Table of Contents