The Carling Technologies CAI X0 18 170 A21 MJ circuit breaker is a 1‑pole device with a nominal 15 A rating, designed for 80 VDC circuits. Its trip range is 15 to 18.7 A, allowing it to interrupt current when the load exceeds the preset range to protect wiring and equipment. As part of the CAI X0 family, this model (CAI X0 18 170 A21 MJ) provides compact DC overcurrent protection in a single-pole format.
