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GEH-6303 Installation Instructions
Enhanced MicroVersaTrip Plus
MicroVersaTrip PM
For Replacement of MicroVersaTrip® 4, MicroVersaTrip® 9, RMS-9,
Epic™, MicroVersaTrip Plus™, and MicroVersaTrip PM™ Programmable
Trip Units in AKR and Power Break® Circuit Breakers
Introduction
The
Enhanced
MicroVersaTrip
MicroVersaTrip PM
TM
are the latest in solid state protection for indus-
trial circuit breakers. This new generation of
MicroVersaTrip® series RMS-9C Trip Units is
compatible with all MicroVersaTrip 4 Function,
MicroVersaTrip
9
MicroVersaTrip Plus, and MicroVersaTrip PM Trip
Units.
Enhanced
MicroVersaTrip
MicroVersaTrip PM Trip Units are compatible
with AKR low-voltage power circuit breakers and
Power Break insulated-case circuit breakers.
These Trip Units may be installed in the
following breakers manufactured after 1980:
• Power Break frames TP, THP, TC, and THC.
• AKR frames AKR-30, AKR-30S, AKR-30H,
AKR-50, AKRT-50, AKR-75, and AKR-100.
• All breakers equipped with a MicroVersaTrip
Plus or MicroVersaTrip PM conversion kit.
This publication covers the drop in replacement
installation of all Enhanced MicroVersaTrip Plus
and MicroVersaTrip PM programmable Trip
Units.
Trip Unit
TM
Plus
TM
programmable Trip Units
Function,
RMS-9,
Plus
and
TM
and
Epic,
and
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Summary of Contents for ABB Enhanced MicroVersaTrip Plus
- Page 1 • AKR frames AKR-30, AKR-30S, AKR-30H, AKR-50, AKRT-50, AKR-75, and AKR-100. • All breakers equipped with a MicroVersaTrip Plus or MicroVersaTrip PM conversion kit. This publication covers the drop in replacement installation of all Enhanced MicroVersaTrip Plus and MicroVersaTrip PM programmable Trip Units.
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Page 2: Section 2. Before Installation
Section 3. Trip Unit Installation high speed, stored-energy spring operating The replacement of a ABB programmable Trip Unit mechanisms. The breakers and their enclosures requires only minor modifications to the breaker in contain Interlocks and safety features intended to preparation unit. - Page 3 OFF position. following procedure install Enhanced MicroVersaTrip Plus™ or MicroVersaTrip PM™ Trip Unit in an 800-2000 A Power Break® breaker, as illustrated in Figure 1. 1. Disconnect all power to the circuit breaker. Figure 1. 800 A Power Break circuit breaker 2.
- Page 4 OFF position. following procedure install Enhanced MicroVersaTrip Plus™ or MicroVersaTrip PM™ Trip Unit in an 2500-4000 A Power Break breaker, as illustrated in Figure 4. 1. Disconnect all power to the circuit breaker. 2. Open the breaker by pushing the red OFF button Figure 4.
- Page 5 8. Install the new MicroVersaTrip Plus™ or MicroVersa Trip PM Trip Unit by aligning the holes in the back the Trip Unit with the guide pins mounting plate, as illustrated Figure 7. Push down firmly on trip Unit, then push in the PROGRAMMER RELEASE LEVER.
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Page 6: Troubleshooting
Follow the • Verify that the 36-pin trip unit connector is procedure below using the ABB portable Digital correctly assembled on the adapter bracket, Test Kit, catalog number TVRMS2. A primary such that it makes proper connection with injection test using a commercially available high- the Trip Unit pins. - Page 7 r---------------------------- 7 Low-Voltage Circuit Breaker Trip Unit > > 9 1 ) 13 1 ) 361 )35 1 )33 1 )29 1 151 ) 20 1 24 ) 1 2 > 1 6 > 211 ) 341 ) 31 ) 321 )281 ) 181 )101 )14 1 91 )23 1 ) 1 11 )22 1...
- Page 8 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. —...