ST203M-K20 | MCB ST200M 3P K 20A UL1077 | ABB

ABB MCB ST200M 3P K 20A UL1077 (ST203M-K20) ABB ST203M-K20 is a three-phase, 20 amp miniature circuit breaker (MCB) designed to protect electrical circuits and equipment from overloads and short circuits. It features a compact design, making it suitable for applications where space is limited. This UL-listed MCB complies with the UL 1077 standard, ensuring compliance with industry safety standards. The ST203M-K20 offers reliable protection with its thermal-magnetic tripping mechanism, which provides both overload and short-circuit protection. It has a rated voltage of 480V AC and an interrupting capacity of 10kA. This MCB is commonly used in industrial, commercial, and residential settings to protect electrical systems and equipment. Shop now at our HVAC supply store for the best prices and fast shipping on your essential electrical supplies!