Standard 18mm MCB UL1077 20 Amp, B Trip Curve, 1 Pole

The NDB2-63C20-1 single pole AC Circuit Breaker is an 18 mm thermal magnetic breaker rated at 20 amps and 240V. This UL 1077 supplemental protection breaker is 300% factory tested for exceptional quality and reliability. Featuring visual trip indication and easy screw clamp connections, it mounts on the standard 35 mm DIN rail. Ideal for most industrial applications, the NDB2 series serves as a perfect drop-in replacement for existing supplemental breakers. It operates with a C curve trip characteristic, offering instantaneous trip protection from 5In to 10In. Accessories such as auxiliary contacts, alarm contacts, and bus bars are available.