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The Littelfuse MU1-B-34-450-3-A21-B-C is a single pole magnetic (hydraulic delay) circuit breaker rated for 5A at 250V. It features a push-to-reset actuator and is designed for panel mount installation. The magnetic hydraulic delay mechanism provides precise overcurrent protection with time delay characteristics suited for systems with transient inrush currents.
This breaker carries approvals from CCC, CSA, and UL1077, making it suitable for a wide range of applications requiring recognized safety standards. The non-illuminated, compact design allows for straightforward integration into control panels and equipment enclosures.
The panel mount configuration simplifies installation in cutout-panel applications, and the push-to-reset actuator enables easy manual reset after a trip event. With a single pole configuration, it is intended for branch circuit protection in AC or DC systems up to the rated voltage.
5A.
250V.
Magnetic (Hydraulic Delay) circuit breaker.
1 pole.
Push-to-reset actuator.
Panel mount.
CCC, CSA, and UL1077 approvals.