SMA SC 500CP-US - Manual (Page 75)

SMA America, LLC 11 AC Connection
Installation Manual SCCP-US-IA-US_en-41 75
Procedure:
1. Strip the insulation of the AC cables according to the terminal lugs to be used.
2. Fit the AC cables with terminal lugs.
3. Clean the contact surfaces using a clean cloth and ethanol cleaning agent and do not touch the contact surfaces
after cleaning.
4. Connect the AC cables with the specified torque in accordance with the circuit diagram. Only use the screws,
washers and nuts included in the scope of delivery.
5. Secure the AC cables on the cable support rail.
Type of terminal lug Torque
Copper terminal lug on copper bus bar 44.5 ft.-lbs. (60 Nm)
Tin-plated aluminum terminal lug on copper
bus bar
27.5 ft.-lbs. (37 Nm)