This Cutler-Hammer DNBA2020 circuit breaker offers reliable thermal magnetic protection for your electrical system. Designed as a duplex breaker, it provides two single-pole circuits in a compact design. With a 20 Amp rating and a 10 kAIC interrupting capacity, it's suitable for 120/240V applications. Ensure safe and efficient power distribution with this essential component..The Cutler-Hammer DNBA2020 is a thermal magnetic circuit breaker with a 20 Amp rating and a 10 kAIC interrupting capacity. It is designed for 120/240V systems and features a two-pole configuration, effectively providing two single-pole circuits. The breaker is compatible with wire sizes ranging from #14 to #4 AWG. Its physical dimensions are 3.5 inches in length/depth, 3.25 inches in height, and 0.4 inches in width, with a weight of 1 lb. It is CSA Certified.