WEG Molded Case Circuit Breakers - User’s Manual
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WEG Molded Case Circuit Breakers - User’s Manual
5
2.2. ACCESSORY INSTALLATION
Note: If required, internal accessory installation in any type of circuit breaker should be done before the circuit
breaker is mounted and connected. Refer to the individual accessory instruction leaflets listed above.
Terminals are not included.
Terminals must be purchased separately.
For bus connections use:
J
M12 - 1.75 bolts for metric style front mounted bus connections, socket cap screws are
recommended.
J
.500-13 bolts (English Threads) for front mounted bus connections,socket cap screws
are recommended.
Terminal
Cat. No.
Wire size
MCM
Cond.
Mat’l
Torq.
lb.-in.
Torq.
N.m
LT1B2 UBW700
#1-500 (2)
Cu/Al
375
42.4
LT1B3 UBW1000
3/0-400 (3)
Cu/Al
375
42.4
LT1B4 UBW1200
4/0-500 (4)
Cu/Al
375
42.4
LT1B3 UBW1200
500-750 (3)
Cu/Al
450
50.9
Table 3:
torque table (domestic)
Install accessories per the accessory instruction leaflet.
Caution
Circuit breaker cover constraints moving parts. Do notoperate the breaker
without the cover installed.
2.3. TERMINAL INSTALLATION
2.3.1. 800 A and 1200 A Front Connect
If not already installed, mount terminals as shown in Figure 2. To do this, terminal cover
screws must be first be loosened and the terminal covers removed.
Figure 2:
terminal installation
