Installation Manual SMC9-11TLRP-IA-en-51 37
SMA Solar Technology AG 6 Electrical Connection
You can additionally earth the inverter enclosure if a second earthing or equipotential bonding is
required locally. This prevents touch current if the original protective conductor fails.
Cable requirement:
☐ Earthing cable cross-section: 16 mm² at maximum
1. Strip the earthing cable insulation.
6.3.3 Additional Earthing of the Enclosure
2. Lead the clamping bracket over the earthing
cable. Position the protective conductor on the
left-hand side.
3. Screw the clamping bracket tight using the
M6x16 cheese-head screw and a conical spring
washer (torque: 6 Nm). The teeth of the conical
spring washer must face the clamping bracket.
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