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Installation
A540-55-880 Issue D
5. For the three live conductors (L1, L2, L3), carefully remove the cable insulation to the exact dimension specified
in the appropriate figure. Do not twist the cable strands.
6. Referring to Figure 10, connect the three live conductors to the following connections on the connector block:
L1 to a1, L2 to a2 and L3 to b1. Insert each wire completely into the contact chamber until the copper strands
reach the bottom. Tighten the connection using a 2mm allen key as shown in Figure 11 to a torque of 1.1 Nm.
Keep the cable in position while applying the recommended tightening torque.
Figure 10 - Mains input supply connector
7. Fit the earth (ground) wire to the Protective Earth connection on the connector block as shown in Figure 10
using the following procedure:
Prepare the end of the 6 mm2 earth wire to a strip length of 10 mm and twist the strands.
Insert the wire into the earth terminal block.
Tighten the connection using a flat blade screwdriver.
8. Refit the outer cover to the connector block then tighten the cable gland.
Item
Control/connector
identification
1 Connector Block
2L1
3 Cable Gland
4Hood
5 3-Phase Mains Cable
6L3
7Earth
8L2
Item
Control/connector
identification
Item
Control/connector
identification
9b1
10 Protective Earth
11 a2
12 a1
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