ABB MicroVersaTrip Plus Manuals

Manuals and User Guides for ABB MicroVersaTrip Plus. We have 1 ABB MicroVersaTrip Plus manual available for free PDF download: Installation Instruction

ABB MicroVersaTrip Plus Installation Instruction (25 pages)

For I-T-E® Types K-225, K-600, K-800, K-1600, K-2000 Low-Voltage Power Circuit Breakers

Brand: ABB | Category: Industrial Equipment | Size: 7 MB

Table of Contents
2
Section 1. General Information
4
Section 2. before Installation
4
Section 3. Disassembling the Breaker
5
225-800 Ampere Breakers
5
Figure 1. Removing the Insulated Trip Unit Housing on K-225, K-600, and K-800 Breakers
5
Figure 2. K-225, K-600, and K-800 Breakers with the Trip Unit Housing Removed
5
1600-2000 Ampere Breakers
6
Figure 3. Drilling out the Screws Holding the Trip Units to the Housing on K-225, K-600, and K-800
6
Breakers
6
Figure 4. Removing the Load-Side Stabs on K-225, K-600, and K-800 Breakers
6
Figure 5. Removing the Draw-Out Contact-Block Assembly on K-1600 and K-2000 Breakers
6
Figure 6. Removing the Trip Unit Housing on K-1600 and K-2000 Breakers
6
Figure 7. Contact Arm Connections on K-1600 and K-2000 Breakers
7
Figure 8. Disassembling the Trip Unit Assembly on K-1600 and K-2000 Breakers
7
Figure 9. Trip Unit Housing on K-1600 and K-2000 Breakers
7
Section 4. Installing the Conversion Kit
8
Section 4. Installing the 3
8
Installing the Phase Sensors (Cts)
8
225-800 Ampere Breakers
8
Figure 11. Installing the Copper Load Terminals on K-225, K-600, and K-800 Breakers
8
Figure 12. Installing the CT Assembly on K-225, K-600, and K-800 Breakers
8
Figure 13. a Converted Trip Unit Housing for K-225, K-600, and K-800 Breakers
8
Figure 10. Placing the Alignment Shims on Red-Frame K-225, K-600, and K-800 Breakers
8
Figure 14. CT Assemblies Installed on K-225, K-600, and K-800 Breakers
9
Figure 15. Tightening the CT Assembly Mounting Bolts on K-225, K-600, and K-800 Breakers
9
1600 Ampere Red-Frame Breakers
10
1600 Ampere Black-Frame Breakers
10
Figure 16. Mounting the Terminal Assemblies on a K-1600 Red-Frame Breaker
10
Figure 17. Completed CT Assembly for a K-1600 Red-Frame Breaker
10
Figure 18. Mounting the Terminal Assemblies on a K-1600 Black-Frame Breaker
10
Figure 19. Completed CT Assembly for a K-1600 Black-Frame Breaker
10
2000 Ampere Breakers
11
Figure 20. Mounting the Terminal Assemblies on a K-2000 Breaker
11
Figure 21. Completed CT Assembly for a K-2000 Breaker
11
1600 And 2000 Ampere Breakers (Continued)
12
Figure 22. Modifying the C-Shaped Barrier
12
Figure 23. Reassembled K-1600 Breaker
12
Installing the Flux Shifter
13
Figure 24. Inserting the Flux Shifter on K-225, K-600, and K-800 Breakers
13
Figure 25. Flux Shifter Mounting Bolt Locations on K-1600 and K-2000 Breakers
13
Figure 26. Flux Shifter Installed on K-1600 or K-2000 Breaker
13
Flux Shifter Adjustment
14
Figure 27. Flux Shifter Reset Arm Connected to the Crossbar Link (K-2000 Shown)
14
Figure 28. Auxiliary Switch Operating Arm
14
Figure 29. Flux Shifter Installed on a Breaker with a Fuse-Lockout Device
14
Figure 30. Adjusting the Flux Shifter (K-225, K-600, or K-800 Shown; K-1600 and K-2000 Are Similar)
14
Installing the Trip Unit Wiring Harness
15
Figure 31. 36-Pin Trip Unit Connector
15
Figure 32. 36-Pin Connector Adapter Bracket
15
Figure 33. Adapter Bracket Locking Tabs
15
Figure 34. Installing the Push Nuts Onto the Guide Pins
16
Figure 35. Locking Tabs on Mounting Plate
16
Figure 36. Wiring Harness Attached to the Trip Unit Bracket
16
Installing the Trip Unit Mounting Plate
17
Connecting the Trip Unit Wiring Harness
17
Figure 37. Removing the Top Cover Screws
17
Figure 38. Trip Unit Mounting Bracket Installed on the Breaker
17
Figure 39. Connecting the Wiring Harness to the Cts
17
Installing the Communications Harness
18
Figure 40. Caution Label to be Applied to the Breaker and Compartment Door
18
Section 5. Installing the Trip Unit
19
Figure 41. Attaching the Trip Unit to the Mounting Bracket
19
Figure 42. Completed Breaker Assembly
19
Section 6. Four-Wire Ground Fault Option
20
Figure 43. Neutral Sensor Outline for K-225, K-600, and K-800 Breakers
20
Figure 44. Neutral Sensor Outline for K-1600 and K-2000 Breakers
21
Section 7. Testing and Trouble-Shooting
22
Section 7. Testing and Trouble
22
Testing
22
Trouble-Shooting
22
Nuisance Tripping on Ground Fault-Equipped Breakers
22
Figure 4 5.Cabling Diagram for Microversatrip Plus™ and Microversatrip PM™ Trip Units with
24
Ground Fault on Four-Wire Loads
24

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