NE-M Installation Guide
H5692448
850050111
Issue 03 August 2017
43
2-Pole and 3-Pole Breakers (bullet)
Figure 60 2-Pole and 3-Pole Breaker Install
1
Install adapter buses on Return bus with studs facing to rear to all proper clearance.
Secure Two-Pole or Three-Pole adapter buses to the distribution Load and Return buses with provided 1/4-20
nuts.
Torque to 65 in-lb - 7/16” socket.
2
Secure Load Cable connections with provided hardware (per cable):
Adapter with Lug Landings 1/4” on 5/8” centers
Adapter with Lug Landings 3/8” on 1” centers
(2) 1/4-20 nut
(2) 1/4-inch lock washer
(2) 1/4-inch flat washer
(2) 3/8-16 nut
(2) 3/8-inch lock washer
(2) 3/8-inch flat washer
Torque to 65 in-lb - 7/16” socket.
Torque to 240 in-lb - 9/16” socket.
3
Verify voltage and polarity between the Return bus and each distribution input bus using a voltmeter.
4
Verify wiring polarity at the input of the load equipment.
5
Install breaker as shown above.
Leave breaker switches in the OFF position and do not install load fuses until the load equipment is ready to
be energized.
-48V Protector
Blue (Lower) Positions
Handle is in OFF position
Note Orientation
+24V Protector
Orange (Upper) positions
Handle is in OFF position
Note Orientation
Return Bus
Load Buses
Adapter Bus on Return Bus
Studs facing to rear
Adapter Bus on Load Buses
