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10 Technical Data SMA Solar Technology AG <br />Installation ManualSBxx-1SP-US-41-IA-xx-12 72 <br />10.6 Fan (only with Sunny Boy 7.0-US / 7.7-US) <br />Width x height x depth 60 mm x 60 mm x 25.4 mm <br />(2.36 in x 2.36 in x 1 in) <br />Maximum operating altitude 3000 m (9843 ft) <br />Air flow rate ≥ 40 m³/h <br />10.7 Protective Devices <br />DC reverse polarity protection Short-circuit diode <br />AC short-circuit current capability Current control <br />Grid monitoring SMA Grid Guard 4.0 <br />Maximum overcurrent protection 50 A <br />Ground fault monitoring SB3.0-1SP-US-41 Insulation monitoring: Riso > 600 kΩ <br />Ground fault monitoring SB3.8-1SP-US-41 Insulation monitoring: Riso > 600 kΩ <br />Ground fault monitoring SB5.0-1SP-US-41 Insulation monitoring: Riso > 600 kΩ <br />Ground fault monitoring SB6.0-1SP-US-41 Insulation monitoring: Riso > 500 kΩ <br />Ground fault monitoring SB7.0-1SP-US-41 Insulation monitoring: Riso > 429 kΩ <br />Ground fault monitoring SB7.7-1SP-US-41 Insulation monitoring: Riso > 391 kΩ <br />All-pole sensitive residual-current monitoring unit Available <br />Arc fault detection AFCI, type 1, listed accord- <br />ing to UL 1699B <br />Available <br />Rapid Shutdown Equipment Self discharge at all DC and AC connection <br />lines < 30 V <br />10.8 Torques <br />Screw M5x60 for securing the inverter to the <br />wall mounting bracket <br />1.7 Nm ± 0.3 Nm (15.05 in-lb ± 2.65 in-lb) <br />Screws for attaching the enclosure lid of the <br />Connection Unit <br />3 Nm ± 0.3 Nm (26.55 in-lb ± 2.65 in-lb) <br />Screws for grounding at equipment grounding <br />terminals <br />6 Nm ± 0.3 Nm (53.10 in-lb ± 2.65 in-lb) <br />Screws for SPS terminal block for connecting <br />the outlet for secure power supply operation <br />0.3 Nm (2.65 in-lb) <br />EN <br />G <br />L <br />I <br />S <br />H <br />534 S Sycamore St <br />- 10110979707/01/22