MU1-B-10-615-1-B21-B-C
Littelfuse Inc.
Littelfuse MU1-B-10-615-1-B21-B-C is a 1-pole magnetic circuit breaker rated for 15A at 250V. It features a push-to-reset actuator and panel mount design.
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The Littelfuse MU1-B-14-615-3-A21-B-C is a single-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection in industrial and commercial applications. It is rated for 15A at 250V AC/DC and uses a magnetic hydraulic delay mechanism that provides precise trip characteristics without thermal memory effects.
This breaker is panel mount with a push-to-reset actuator, making it suitable for applications requiring manual reset after a trip event. The single pole configuration allows for independent protection of one phase or DC circuit.
The component carries approval from CCC, CSA, and UL1077, indicating compliance with North American and Chinese safety standards. It has no illumination and is non-illuminated for simple integration.
With a compact panel mount design, it fits standard cutouts and is ideal for power supplies, motor controls, and other equipment requiring reliable overcurrent protection.
15A
250V
Magnetic (Hydraulic Delay)
1 pole
Push to Reset
Panel Mount
CCC, CSA, UL1077