User Manual 5 Electrical Connection
35
Fig. 5-2 Dimensions of Terminal
5.5.3 Aluminium Cable Requirements
If an aluminium cable is selected, use a copper to aluminium adapter terminal to
avoid direct contact between the copper bar and the aluminium cable.
Aluminium cable
Aluminium adapter
terminal
Flange nut
Fig. 5-3 Aluminium cable terminal connection sequence
Direct contact between the copper bar and the aluminium cable will cause
electrochemical corrosion and impair the reliability of electrical connection.
5.5.4 Connection Procedure
Step 1 Disconnect the AC-side circuit breaker and prevent it from inadvertent
reconnection.
Step 2 Take out the AC junction box and loosen the swivel nut. Remove the
seals and select an appropriate one according to cable outer diameter.
Lead the cable through the swivel nut, seal, and junction box
successively.
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