User Manual
2 Battery Communication Connection
SMA
Technical Information SBS-Batterys-TI-en-11 5
2 Battery Communication Connection
2.1 Cable Requirements
2.1.1 SBS2.5-1VL-10 / SBS3.7-10 / SBS5.0-10 / SBS6.0-10
☐ Twisted pair conductors
☐ Cable category: minimum CAT5e
☐ Shielding: yes
☐ Conductor cross-section: 0.25mm² to 0.34mm² (24AWG to 16AWG)
☐ Recommended number of conductor pairs: 4
☐ External diameter: 6mm to 8mm (0.24in to 0.3in)
☐ Maximum cable length: 10m (33ft)
☐ The cable has to be insulated for 600V.
☐ UV-resistant for outdoor use.
☐ Comply with the requirements of the battery manufacturer.
2.1.2 SBS3.8-US-10 / SBS5.0-US-10 / SBS6.0-US-10
☐ Twisted pair conductors
☐ Cable category: minimum CAT5e
☐ Shielding: yes
☐ Conductor cross-section: 0.25mm² to 0.34mm² (24AWG to 16AWG)
☐ Recommended number of conductor pairs: 4
☐ External diameter: 6mm to 8mm (0.24in to 0.3in)
☐ Maximum cable length between battery and inverter and, in battery-backup systems, between
automatic transfer switch and inverter: 10m (33ft)
☐ If the cables are routed together with the DC conductors in a conduit, each cable has to be
insulated for 600A.
☐ UV-resistant for outdoor use.
☐ Comply with the requirements of the battery manufacturer.