Siemens 5SJ4110-7HG40 Molded Case Circuit Breaker

Siemens 5SJ4110-7HG40 is a SENTRON Miniature Circuit Breaker (1 pole) rated for 240 V AC and 10 A, delivering a short-circuit breaking capacity of 14 kA at 240 V with a C-type trip characteristic. It provides long-time and instantaneous protection and is UL 489-compliant with equal polarity installations, making it suitable for single-phase protection in low-voltage circuits. The device is designed for mounting on a standard DIN rail and occupies about 90 mm in height, 18 mm in width, and 70 mm in depth (D = 70 mm). As part of Siemens’ 5SJ4 family, this compact protective device is commonly used in distribution boards, control cabinets, and light industrial equipment to guard against overcurrent conditions.