CUTMASTER 25mm
INSTALLATION
3-2
Manual 0-5080
3.03 Primary Input Power Connections
CAUTION
Check your power source for correct voltage before plugging in or connecting the unit. The primary power source,
fuse, and any extension cords used must conform to local electrical code and the recommended circuit protection
and wiring requirements as specified in Section 2.
All units are shipped from the factory with a 380/400Volt input power cable wired to the input contactor
in the three - phase configuration. The following illustration and directions are for replacing the input
power cable.
Art # A-08546
Three-Phase (3ø) and Jumper Settings
L1
L2
L3
L4
Jumper L1 -L4
L1
L2
L3
GND
L4
Three Phase Input Power Wiring
A. Connections to Three Phase Input Power
WARNING
Disconnect input power from the power supply and input cable before attempting this procedure.
These instructions are for replacing a 380/400V input power cable to the Power Supply for Three -
Phase input power.
1. Remove the Power Supply cover per instructions found in section 5.
2. Disconnect the original input power cable from the main input contactor and the chassis ground
connection.
3. Loosen the through - hole protector on the back panel of the power supply. Pull the original
power cable out of the power supply.
4. Using a customer supplied four - conductor input power cable for the voltage desired, strip back
the insulation on the individual wires.
5. Pass the cable being used through the access opening in the back panel of the power supply. Re-
fer to Section 2 for power cable specifications.
CAUTION
The primary power source and power cable must conform to local electrical code and the recommended circuit
protection and wiring requirements (refer to table in Section 2).
6. Connect the wires as follows.
• Set Jumper wires on the contactor. See illustration.
• Green / Yellow wire to Ground.
• Remaining wires to L1, L2 and L3 input. It does not matter what order these wires are at-
tached. See the previous illustrations.
7. With a little slack in the wires, tighten the through - hole protector to secure the power cable.
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