ABB GE ReliaGear Pro-Stock A2 User manual
1
ReliaGear® lighting panelboards
Pro-Stock™A2 circuit breaker kits, 240 Vac
Introduction
These instructions describe the installation of a Pro-Stock
240 Vac Type A2 two- or three-phase circuit breaker kit into a
ReliaGear lighting panelboard.
The catalog number for the single-phase, two-pole kit is MBA12
(Table 1). The catalog number for the three-phase, three-pole kit
is MBA13 (Table 2). The catalog number for the three-phase, six-
pole kit is MBA16 (Table 3).
Table 1. Parts list for the 240 Vac A2 single-phase, two-pole
breaker installation kit, catalog number MBA12.
Item # Description Part # Qty.
Shield Insert
Thread Rolling Screw
and Washer
4
—
Label, “MAIN”
Table 2. Parts list for the 240 Vac A2 three-phase, three-pole
breaker installation kit, catalog number MBA13.
Item # Description Part # Qty.
Shield Insert
Thread Rolling Screw
and Washer
4
—
Label, “MAIN”
Table 3. Parts list for the 240 Vac A2 three-phase, six-pole
breaker installation kit, catalog number MBA16.
Item # Description Part # Qty.
Shield Insert
Thread Rolling Screw
and Washer
10
—
9
Label, “MAIN”
Table 4. Parts list for the 240 Vac A2 three-pole subassembly
circuit breaker installation kit.
Item # Description Part # Qty.
—
Metric hex socket hid
Metric hex socket button
Metric STL helical SPR
AI phase barrier A”
1
5 2
5 2
5 4
2
RELIAGEAR LIGHTING PANELBOARDS - PRO-STOCK A2 CIRCUIT BREAKER KITS, 240 VAC
Table 5. Parts list for the 240 Vac A2 two-pole subassembly
circuit breaker installation kit.
Item # Description Part # Qty.
—
Metric hex socket hid cap
Metric hex socket button
Metric STL helical SPR
AI phase barrier A”
Installation
Use the following procedure to install a Pro-Stock A2 circuit
numbers in the illustrations and numbers in brackets in the text
refer to the Item Numbers in Tables 1, 2, and 3. Subassembly of a
two-pole breaker is illustrated in Figure 3. Subassembly of a
three-pole breaker is illustrated in Figure 4. Installation of a
single-phase, two-pole kit is illustrated in Figure 5. Installation of
a three-phase, three-pole kit is illustrated in Figure 6. Installation
of a three-phase, six-pole kit is illustrated in Figure 7.
WARNING:
1.
2. screws (400 A
and 600 A panels) securing the shield to the panelboard
interior. Lift off the shield and place it and the screws aside.
3.
4. Subassembly circuit breaker:
a) Wrap mounting bracket insulation [17] around the mounting
bracket [11].
b) Align breaker mounting holes with the mounting bracket and
insulation assembly.
c) Fasten the breaker to the mounting bracket using the
d) Fasten the Z-Strap [12] to the breaker using M8 narrow flat washers
[15], M8 lock washers [14], and M8X25 screws [13].
e)
reference)
5. Mount the circuit breaker base assembly (7) on the interior by
aligning the holes in the bus bars (two for single-phase, three
the two or three bolts in the bus bars of the interior assembly.
120
lb-in.
6.
tighten self-rolling screw [2] to locate the breaker assembly.
two #10-32 screws [5] to 27-36 lb-in. Tighten the self-rolling
screw [2] to 42 lb-in. Z-strap
a) For 6 poles kit, place phase barrier [6] between breakers
7. poles,
two for 6 poles).
8.
installation asfollows:
a) If this is a main breaker installation (kit MBA12 or MBA13),
same-size holes line up with the threaded holes in the shield,
as illustrated in Figure 2. Fasten the shield insert to
36 lb-in.
Attach the MAIN label [10] to the front of the shield insert, as
shown in Figure 2.
b) If this is a subfeed breaker installation (kit MBA12 or MBA13)
-sert from
the shield. Place the new shield insert [1] supplied
line up with
the threaded holes in the shield, as illustrated in Figure 2.
c) If this is a two- or three-pole subfeed breaker installation
the
two blank inserts from the shield, as illustrated in Figure 3.
Install the new shield insert [1] supplied with the
with the
threaded holes in the shield. Fasten the shield
d)
screws [3], tightened to 27-36 lb-in.
e) If this is a six-pole subfeed breaker installation (kit MBA16)
from the shield. Install the new shield inserts [1] supplied
line up
with the threaded holes in the shield. Install the flat shield
insert first, then the bent insert.
9.
3
RELIAGEAR LIGHTING PANELBOARDS - PRO-STOCK A2 CIRCUIT BREAKER KITS, 240 VAC
Figure 2. Removing the shield inserts from the shield for a subfeed breaker installation
in 400 A or 600 A panels.
Figure 1. Attaching the shield insert to the shield for a main breaker installation in all
panels or a subfeed breaker in 225 A panels.
4
RELIAGEAR LIGHTING PANELBOARDS - PRO-STOCK A2 CIRCUIT BREAKER KITS, 240 VAC
Figure 4. Typical installation of a subassembly Pro-Stock breaker kit,
catalog number MBA12.
Figure 3. Typical installation of a subassembly Pro-Stock breaker kit,
catalog number MBA13 and MBA16.
Tightening Torques for Figure 3 & 4
Fastener ID Torque Value lb-in
H1
9- 11
H2
64-78
5
RELIAGEAR LIGHTING PANELBOARDS - PRO-STOCK A2 CIRCUIT BREAKER KITS, 240 VAC
Figure 6. Installation of a Pro-Stock A2 three-phase, three-pole circuit breaker kit,
catalog number MBA13, into a ReliaGear 400 A or 600 A lighting panelboard.
Figure 5. Installation of a Pro-Stock A2 single-phase, two-pole circuit breaker kit,
catalog number MBA12, into a ReliaGear 400 A or 600 A lighting panelboard.
6
RELIAGEAR LIGHTING PANELBOARDS - PRO-STOCK A2 CIRCUIT BREAKER KITS, 240 VAC
1TQC213000E0021,APR2021
—
ABB Inc.
305 Gregson Drive
Cary, NC 27511
©Copyright 2020 ABB. All rights reserved.
Information provided is subject to change without notice. Please verify all details with ABB. All values are design or typical
values when measured under laboratory conditions, and ABB makes no warranty or guarantee, express or implied, that such
performance will be obtained under end-use conditions.
Pro-Stock is a trademark and ReliaGear is a registered trademark of ABB Inc.
GE is a registered trademark used under license from General Electric company.
electrification.us.abb.com
Figure 7. Installation of a Pro-Stock A2 three-phase, six-pole circuit breaker kit, catalog
number MBA16, into a ReliaGear 400 A or 600 A lighting panelboard.
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