MU1-B-10-440-1-A21-B-C
Littelfuse Inc.
The Littelfuse Inc. MU1-B-10-440-1-A21-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a push-to-reset actuator.
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The MU1-B-30-440-1-A21-B-C is a magnetic hydraulic delay circuit breaker manufactured by Littelfuse Inc. It is rated for 4A continuous current at 250V, with a single pole configuration. The breaker uses a hydraulic-magnetic mechanism that provides time delay characteristics suitable for protecting circuits from overcurrents without nuisance tripping on transient surges.
The actuator type is push-to-reset, allowing manual reset after a trip event. The circuit breaker is designed for panel mount installation, making it suitable for a variety of industrial and commercial applications. It carries approvals from CCC, CSA, and UL1077, indicating compliance with safety standards.
With no illumination and a compact 1-pole form factor, it fits in standard panel cutouts. The magnetic hydraulic design offers stable performance across varying temperatures.
The rated voltage is 250V.
It is panel mount.
4A.
1 pole.
Push to reset.
CCC, CSA, and UL1077.
Magnetic (Hydraulic Delay).