GE MicroVersaTrip Plus Manuel utilisateur

Function

MicroVersaTrip Plus™ and MicroVersaTrip PM™ Trip

Units are designed with UL-listed interchangeable Rating

Plugs. These Rating Plugs change the per-unit (1X)

continuous current rating of the breaker. A circuit

breaker frame equipped with a suitable Rating Plug has a

long-time trip value equal to the ampere rating marked

on the Rating Plug.

For example, a breaker frame with a 1600 A sensor and

an 800 A Rating Plug has an 800 A continuous current

(long-time) rating.

Several Rating Plugs are available for each sensor rating

and each Rating Plug is keyed for a particular sensor

rating.

The available Rating Plugs for the AKR and Power

Break® families are listed in Table 1.

Front Label

The front label, shown in Figure 1, is visible when the

Rating Plug is installed. The items listed are:

Sensor Rating (S) The ampere rating of the

corresponding breaker frame.

Rating Plug Amps (X) The Rating Plug continuous

current in amperes.

Test The test-jack receptacle is used

with Test Kit catalog number

TVRMS2 for overcurrent and

ground-fault functional testing.

Catalog Number Follows the format TRppBqqqq,

where pp refers to the sensor

rating (S) and qqqq refers to

the plug rating (X).

Figure 1. Front of Rating Plug, showing label.

UL Label

The UL label is mounted on the side of the Rating Plug

and is not visible when the Rating Plug is installed. The

label lists the circuit breaker frames that will accept that

Rating Plug.

Installation

Before installing a Rating Plug into a MicroVersaTrip

Plus or PM Trip Unit, inspect the plug for damage, then

follow these steps:

11 .... Verify that the Rating Plug catalog number

matches the desired continuous current rating (X)

and the sensor rating (S) on the breaker frame.

22 .... Hold the Rating Plug between the thumb and

forefinger, then push it into the Trip Unit. Proper

engagement is verified by a click.

CCAA

AAUU

UUTT

TTII

IIOO

OONN

NN::::

Do not attempt to push the Rating Plug

into the Trip Unit if there is resistance. This may

indicate the wrong Rating Plug for the sensor rating. Stop

immediately and verify that the breaker sensor rating (S)

and the Rating Plug nameplate “S=” value are the same.

Removal

The Rating Plug is seated firmly in the Trip Unit. As

illustrated in Figure 1, there are tabs at the sides of the

Rating Plug for removal. A Rating Plug Removal Tool,

catalog number TRTOOL, also known as an integrated

circuit (DIP) extractor, is required to remove the Rating

Plug. Grasp the tabs of the Rating Plug with the tool, as

illustrated in Figure 2. Be careful to hold the tabs and not

the front cover, as the Rating Plug could be damaged

otherwise. Gently pry the Rating Plug out by pulling away

from the Trip Unit. A left–right wriggling motion assists

the removal. Insure that the tabs are held securely until

the Rating Plug is completely removed.

NNOO

OOTT

TTEE

EE::::

Protection to the breaker is maintained at only

25% of the sensor rating when the Rating Plug is

removed. If the breaker is carrying more than 25% of the

sensor load rating, the breaker will trip after the time-

delay setting.

gMicroVersaTrip Plus™ and

MicroVersaTrip PM™ Rating Plugs

Power Break®and AKR Circuit Breakers

MicroVersaTrip Plus & PM Conversion Kits

GEH 5933C

Tab Tab

Catalog

Number

Sensor

Rating,

Amps Plug

Rating Breaker Frames

TR1B60 60

TR1B80 80 AKR30

TR1B100 150 100 AKR30H

TR1B125 125 Conversion Kits

TR1B150 150

TR2B100 100 SSD, SSF, SHD, SHF

TR2B150 200 150 TP82, THP82

TR2B200 200 TC82, THC82

TR225B100 100

TR225B150 225 150 Conversion Kits

TR225B225 225

TR4B150 150 SSD, SSF, SHD, SHF

TR4B200 200 AKR30, AKR30H

TR4B225 400 225 TP84, THP84

TR4B250 250 TC84, THC84

TR4B300 300 Conversion Kits

TR4B400 400

TR6B300 300

TR6B400 400

TR6B450 600 450 Conversion Kits

TR6B500 500

TR6B600 600

TR8B300 300

TR8B400 400 SSD, SSF, SHD, SHF

TR8B450 450 TP88, THP88

TR8B500 800 500 TC88, THC88

TR8B600 600 AKR30, AKR30H

TR8B700 700 AKR50S, AKR50H

TR8B800 800

TR10B400 400 SSD, SSF, SHD, SHF

TR10B600 600 TC1610, THC1610

TR10B800 1000 800 TP1610, THP1610

TR10B1000 1000 TC2510, THC2510

TP2510, THP2510

TR16B600 600 SSD, SSF, SHD, SHF

TR16B800 800 TC1610, THC1610

TR16B1000 1600 1000 AKR50H

TR16B1100 1100 TP1616, THP1616

TR16B1200 1200 Conversion Kits

TR16B1600 1600

TR20B750 750 SSD, SSF, SHD, SHF

TR20B800 800 TC2020, THC2020

TR20B1000 1000 TC2520, THC2520

TR20B1200 2000 1200 TP2020, THP2020

TR20B1500 1500 TP2520, THP2520

TR20B1600 1600 AKRT50H

TR20B2000 2000 Conversion Kits

Catalog

Number

Sensor

Rating,

Amps Plug

Rating Breaker Frames

TR25B1600 1600 SSD, SSF, SFB

TR25B2000 2500 2000 SHD, SHF, SHB

TR25B2500 2500 TC2525, THC2525

TP2525, THP2525

TR30B120021200 SSD, SSF, SFB

TR30B160021600 SHD, SHF, SHB

TR30B2000 3000 2000 TC3030, THC3030

TR30B2500 2500 TP3030, THP3030

TR30B3000 3000 Conversion Kits

TR32B1200 1200

TR32B1600 3200 1600 AKR75, AKR75H

TR32B2400 2400 Conversion Kits

TR32B3200 3200

TR40B1600 1600 SSD, SSF, SHD, SHF

TR40B2000 2000 TC4040, THC4040

TR40B2500 4000 2500 TP4040, THP4040

TR40B3000 3000 AKR100

TR40B360013600 Conversion Kits

TR40B4000 4000

TR50B3200 3200

TR50B4000 5000 4000 AKR125

TR50B5000 5000

TRK4B3000 3000 ITE K4000

TRK4B3200 4000 3200 Conversion

TRK4B4000 4000 Kits

1Not for use with Type AKR breakers.

2Conversion kits only.

Table 1. Rating plug catalog numbers.

Figure 2. Rating Plug removal.

These instructions do not cover all details or variations in equipment nor do they provide for every possible contingency that

may be met in connection with installation, operation, or maintenance. 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 your

local GE ED&C Sales Office.

gGE Industrial Systems

General Electric Company

41 Woodford Ave., Plainville, CT 06062

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