SMA SB 2500 Installation - Manual (Page 34)

Electrical Connection SMA Solar Technology AG
34 SB25-30-IA-en-51 Installation Manual
7. In order to seal the inverter, all the DC inputs that are not required have to be closed with DC
connectors and sealing plugs:
– For unused DC connectors, push down the
clamping bracket and push the cable gland
toward the thread.
– Insert the sealing plug into the DC connector.
– Tighten the DC connector (torque: 2 Nm).
– Insert the DC connectors with sealing plugs into
the corresponding DC inputs on the inverter.
☑ The DC connectors click audibly into position.
8. Ensure that all DC connectors are securely in place.
Sealing plugs
• Do NOT insert the sealing plugs DIRECTLY into the DC inputs on the inverter.
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