AMETEK CW-M - Manual (Page 27)

Elgar CW-M Series
M161570-01 3-11
3.5.1
S
INGLE
–P
HASE
S
UPPLY
C
ONNECTIONS
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 SAFETY Ground to the Ground stud located next to the INPUT
terminal block. For additional safety, include a loop between the Ground stud
and the strain relief device, as shown in Figure 3-6.
4. Connect shields, if any, to the GND connector of the INPUT terminal block.
5. Connect NEUTRAL, if available, to the NEUT connector.
6. Connect LINE to the LINE connector.
7. Reinstall the protective cover on the terminal block. Tighten the strain relief
device.
3.5.2
S
PLIT
–P
HASE
S
UPPLY
C
ONNECTIONS
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 T
HREE
–P
HASE
S
UPPLY
C
ONNECTIONS
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.
Table 3 –2. Recommended Cables
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