The UMBW-4C1-5 is a miniature circuit breaker from the UMBW series by WEG. With a thermal-magnetic design, this breaker features a 5 amp rating and a single-pole configuration. It operates at a voltage of 277VAC and a current of 60VDC, ensuring reliable and efficient circuit protection. With its compact size and versatile design, this circuit breaker is suitable for a wide range of applications.