SMA BATFUSE-B.01 - Manual (Page 17)

SMA Solar Technology AG 6 Electrical Connection
Operating Manual BatFuse-BE-en-30 17
6.5 Connecting the Battery
Figure 8: Overview of terminals
Cable requirements:
☐ Maximum conductor cross-section: 95 mm²
☐ External diameter: 14 mm to 21 mm
☐ Material of the conductor: copper
☐ Terminal lugs of size M8, maximum width: 25 mm
Procedure:
1. Ensure that the DC − cables are free of voltage and not connected to any pole of the battery.
2. Mount the terminal lugs on the DC+ and on the DC − cable.
3. On the battery side, pierce the double-membrane seals (having the larger diameter) with a
sharp object from the outside.
4. Lead the DC+ cable of the battery through the double-membrane seal into the BatFuse and
connect it to terminal L+ on the battery side (torque: 4.0 Nm to 5.7 Nm).
5. Lead the DC − cable of the battery through the double-membrane seal into the BatFuse and
connect it to terminal L − on the battery side (torque: 4.0 Nm to 5.7 Nm).
6. Insert the cover.
Position Designation
A Terminal L+
B Terminal L −