Wiring Requirements; External Power Requirements - GE Multilin D400 Instruction Manual

CHAPTER 5: POWERING UP THE D400

Wiring requirements

External power requirements

D400 SUBSTATION GATEWAY INSTRUCTION MANUAL
Figure 49: Power supply rear panel
Protective Earth
Terminal
Power Supply
Connections
Power Supply
Alarms
The label on the power supply unit lists all possible power sources. Use only the source that
conforms to the specifications of the installed power supply type.
The supply wiring for the D400 must be a minimum of 18 AWG [0.82 mm²], 3-conductor
cable with an external insulation jacket, and a minimum certified voltage rating of 600 V.
Consult local and national electrical wiring codes.
The protective conductor must be minimum 16 AWG [1.3 mm²] wire with (green-&-yellow)
insulation. Recommended conductor size is 12 AWG [3.3 mm²].
The wires must be terminated with an insulated #6 Forked Terminal.
The clear plastic protective barrier provided with the terminal strip connector must be in
place once wiring of the mains is completed.
Before connecting an external power source to the D400, ensure that the following
external power requirements are met:
• An IEC 61010 qualified primary disconnect device and over current protection not
exceeding 15 A must be externally provided in the AC/DC mains supply system.
• All current carrying conductors must be switched, including neutral (for AC) and
negative (for DC).
• Primary disconnect device must be rated for the proper voltages (AC and/or DC), as
well as inrush currents for the power supplies. See "Power supply options" on page 81
• Protective earth conductor must be connected to the provided protective earth
terminal before any mains power conductors.
• The primary disconnect device shall be in close proximity to the D400 equipment and
easily accessed by the operator.
• The primary disconnect device shall be marked as the disconnecting device for the
D400 equipment.
GE INFORMATION 83