Siemens 5SJ6440-7RC, MCB Retail line, 4-pole, 6kA breaking capacity, 40A rated current, C characteristic.
The 4-pole configuration covers three-phase plus neutral in a single DIN-rail unit, saving rail space compared to ganging single-pole breakers.
The 4-pole width (4 modules at 18 mm each) fits a 72 mm footprint. The C-curve coordination with downstream loads should be verified per IEC 60947-2 selectivity rules, especially when feeding sub-distribution boards or motor starters.
The 5SJ6440-7RC is a 4-pole miniature circuit breaker with a C characteristic, rated 40 A and 6 kA breaking capacity, used for overcurrent and short-circuit protection in commercial and industrial distribution panels.
The 5SJ6440-7RC is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.
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