Elgar CW 1251M, Operation Manual

Page: 29 / 48

Elgar CW-M Series
3.5.2 Split–Phase Supply Connections 120–0–120V
1. Remove the protective cover from the terminal block.
2. Route the cables through the strain relief device. Refer to Table 3–2 for cable
recommendations.
3. Connect NEUT to 120V.
4. Connect LINE to the other 120V. Wiring across the full voltage will allow lower line
currents to be used.
5. Reinstall the protective cover on the terminal block. Tighten the strain relief device.
3.5.3 Three–Phase Supply Connections
1. Remove the protective cover from the terminal block.
2. Route the cables through the strain relief device. Refer to Table 3–2 for cable
recommendations.
3. Connect one phase to LINE and NEUTRAL to NEUT. If NEUTRAL is not available,
connect LINE and NEUT across any of the phases.
4. Reinstall the protective cover on the terminal block. Tighten the strain relief device.
CW Model North American International
CW 801M 18A/300V, 3x14 AWG
O.D.= 9.6 mm 16A/300V, 3x1.5 mm
2
O.D.= 8.0–9.8 mm VDE
CW 1251M and CW 2501M 25A/300V, 3x12 AWG
O.D.= 11.3 mm 25A/300V, 3x25 mm
2
O.D.= 9.6–12.0 mm VDE
Table 3–2 Recommended Cables
WARNING!
To protect the operator, the wire connected to the GND
terminal must be connected to earth ground. This unit should not be
operated without an adequate ground connection.
CAUTION!
Use wire rated for currents drawn as specified on
equipment label.
WARNING!
A device to disconnect the CW system from the energy
supply source is required. This switch or circuit breaker must be
close to the CW system, within easy reach of the operator, and
clearly labeled as the disconnection device for the CW system.
19