GE Power Break Installation Instructions Manual

DEH40391 Installation Instructions R01

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Power Break® Circuit Breakers

Power Management Upgrade

Application

These kits provide the wiring and switches required for a
Power Break circuit breaker to use power management
trip unit features. The kit catalog numbers are TPSP for
800–2000 A stationary breakers, TCSP for 800–2000 A
draw-out breakers, TPLP for 2500–4000 A stationary
breakers, and TCLP for 2500–4000 A draw-out breakers.
The parts included in these kits are listed in
Table 2, Table 3, and Table 4.

The numbers in brackets in the following instructions and
figures refer to the item numbers in these tables.

Item Part No. Description Qty.

1 10086637G1 Terminal board assembly 1
2 N701P1708B6 Thread-forming screw,

#10-16 x
3 286A8112P1 Barrier (not used) 1
4 567B262G36 Auxiliary switch 1
5 793A765P2 Wire tie, small 6
6 793A765P3 Wire tie, large 8

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Table 1. List of parts in the power management upgrade kits for 800–

2000 A stationary breakers, catalog number TPSP.

Item Part No. Description Qty.

1 10086637G1 Terminal board assembly 1
2 N701P1708B6 Thread-forming screw,

#10-16 x
3 286A8112P1 Barrier 1
4 567B262G42 Auxiliary switch 1
5 793A765P2 Wire tie, small 6
6 793A765P3 Wire tie, large 8

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/2

Table 2. List of parts in the power management upgrade kits for 2500–

4000 A stationary breakers, catalog number TPLP.

Item Part No. Description Qty.

1 10086523G1 Terminal board assembly 1

2 N701P1708B6

4 567B262G36 Auxiliary switch 1
5 793A765P2 Wire tie, small 6
6 793A765P3 Wire tie, large 8

7 N722P16006B6

8 TDOSVD907F Trip unit disconnect, breaker 1

9 TDOSVD12

10 Incl. with [9] Spring 1

Thread-forming screw,

#10-16 x

Thread-forming screw,

#10-32 x

Trip unit disconnect,

substructure

1

/2

3

/8

Table 3. List of parts in the power management upgrade kit for 800–

2000 A draw-out breakers, catalog number TCSP.

Table 1,

2

2

2

2

1

Item Part No. Description Qty.

1 10086637G1 Terminal board assembly 1

2 N701P1708B6

3 286A8112P1 Barrier 1
4 567B262G42 Auxiliary Switch 1
5 793A765P2 Wire tie, small 6
6 793A765P3 Wire tie, large 8

7 N722P16006B6

8 TDOSVD907F Trip unit disconnect, breaker 1

9 TDOSVD12

10 Incl. with [9] Spring 1

Thread-forming screw,

#10-16 x

Thread-forming screw,

#10-32 x

Trip unit disconnect,

substructure

1

/2

3

/8

Table 4. List of parts in the power management upgrade kit for 2500–

4000 A draw-out breakers, catalog number TCLP.

Installation

WARNING: Before beginning this procedure,
turn the breaker
voltage sources, and discharge the closing
springs.

AVERTISSEMENT: Mettre le disjoncteur à OFF,
le débrancher de toutes les sources de tension et
déclencher les ressorts de fermeture avant
d'entamer cette procédure.

Preparing the Breaker

1. Turn the breaker off and discharge the closing
springs. Verify that the breaker indicator shows

2. Remove the breaker from its cubicle or substructure
and place it on a suitable working surface.

3. Remove the cover from the breaker according to the
instructions in GEH-4693 (800–2000 A applications)
or GEH-4694 (2500–4000 A applications).

4. On draw-out breakers, remove the side plate on the
side with the terminal board.

Installing the Kit

5. Disconnect the leads to the terminal board and
bracket assembly, shown in

6. Remove the two screws securing the terminal board
and bracket assembly to the breaker, then remove the
old terminal board. On 2500–4000 A breakers, also
remove the fiber insulation barrier.

OFF, disconnect it from all

Figure 1.

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2

1

OFF.

Figure 1. Old terminal board mounted on the breaker (2500–4000 A

1

/

shown).

7. Push in the locking lever on the side of the trip unit
mounting plate and carefully lift off the trip unit.

8. Remove the trip unit mounting plate as follows for
the appropriate breaker frame size:

• 800–2000 A: Remove the two mounting screws on

1

the trip unit plate and loosen the
the side of the assembly, as shown in

/4-20 screw on

Figure 2.

Remove the trip unit mounting plate assembly.

• 2500–4000 A: Remove the two screws securing the

trip unit mounting plate to the center-phase sensor
shell, as shown in

Figure 3. Lift off the trip unit
mounting plate. Take care that the two nuts in the
slots in the top of the CT don’t fall out.

9. Use pliers to bend the two locking tabs that secure
the large plug to the trip unit mounting plate, as
shown in

Figure 4. Slide the plug off the mounting
plate, then remove and save the plug mounting
bracket.

10. Connect the leads from the new terminal board [1]
to the large plug, as shown in
the wiring diagram in

Figure 5, according to

Figure 6. Use AMP tool
455822-2 to remove incorrectly placed pins from the
plug.

Mounting

Screws

Figure 3. Trip unit mounting plate on a 2500–4000 A breaker.

Figure 4. Bending the locking tabs to remove the large plug from the

trip unit mounting plate.

Mounting

Screws

4-20

Mounting

Screw

Figure 2. Trip unit mounting plate on an 800–2000 A breaker.

Figure 5. Connecting the leads from the new terminal board to the trip

unit plug.

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11. If an auxiliary switch is present, remove it as follows:

• 800–2000 A breaker,

Figure 7: Remove the two

mounting screws.

• 2500–4000 A breaker, Figure 8: Remove the bolt,
lock washer, and flat washer securing it to the C
phase contact assembly.

If no auxiliary switch is present in a 2500–4000 A
breaker, remove and save the inner bolt, lock washer,
and flat washer on the C phase contact assembly, as
shown in

Figure 9.

Mounting

Bar

Figure 7. Old auxiliary switch in an 800–2000 A breaker.

Figure 6. Wiring diagram for terminal board and trip unit plug.

Figure 8. Old auxiliary switch in a 2500–4000 A breaker.

Figure 9. Removing the inner bolt on the C phase contact assembly to

install the auxiliary switch in a 2500–4000 A breaker.

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