Electrical Connection SMA Solar Technology AG
28 STP10-17TL-IEN102611 Installation Guide
Cable Requirements
6.3.2 AC Connection Procedure
1. Check the grid voltage and compare it with the permissible voltage range (see section
14”Technical Data” (page99)).
2. Disconnect the line circuit breaker from all 3 phases and and prevent it from being reactivated.
3. Loosen all 6 captive screws of the lower lid.
4. Lift the lower lid upwards and remove it.
Position Name Value
A Cable diameter 14 ... 25 mm
B Conductor cross section Max. 16 mm²
C Strip insulation Approx. 12 mm
The PE wire must be 5 mm longer than the L and N conductors!
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