GE Industrial Solutions Power Express Class 2 - Manual

Tools required:
Wire cutters and strippers Torque wrench (0-40 in-lb)
Cable crimpers Philips Screw Driver - #0
Flat Screw Drivers - 1/8” and 1/16”
Sockets - 7/16” & 5/16”
Attach the shelf to the frame using a minimum of four (two on each side) 12-24 screws (not provided). Torque to 40 in-lb using 5/16” sock-
et. No vertical spacing is required, allow a minimum 2 inch clearance at back of shelf for cooling airflow.
Power Express
150028529 -48V input and output
NEC Class 2 Shelf
Step 1 - Connect Chassis Ground

Wire - 6AWG minimum
 Lug - double-hole 1/4” on 5/8”centers (not provided).
 Secure lug with screws - 10-32 (provided)
Torque to 10-32 screws to 30 in-lb (3.4Nm) - 5/16” socket.
Rear or side Chassis Ground locations may be used.
Some applications may rely on frame mounting screws for shelf
ground omitting the shelf ground cable.
Note: DC ground must be present for proper operation.
Step 2 - Connect DC Input Cables
Chassis Ground
DC Input
(-48 V DC)
DC Output Return Terminals
(Ground)
GE
Critical Power
Quick Start Guide
DC Input Return
(Ground)
DC Output Terminals
(-48V DC) Alarm Connector
1
Power Express - Quick Start Guide
Document 850031168 r05 2013 December
Vin Vin min. Protector
-48V -42V 100A
-57V -57V 70A
External Feed Protector - Recommended
 Wire - 1AWG minimum
 Lugs 1/4” on 5/8” centers (not provided).
 Verify battery cable voltage and polarity.
 Secure lug with nuts.
Torque to 65 in-lb (7.3Nm) - 7/16” socket.
Caution: Ensure cables do not come in contact with sharp or
rough surfaces that may damage insulation and
cause a short circuit.
Chassis Ground