MU2-B-24-420-2-A11-B-C
Littelfuse Inc.
The Littelfuse Inc. MU2-B-24-420-2-A11-B-C is a 2-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a push-to-reset actuator.
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The MU2-B-34-420-1-A21-B-C from Littelfuse is a two-pole magnetic circuit breaker with a hydraulic delay trip mechanism. It is rated for 2A at 250V and is built for panel-mount installation.
The magnetic hydraulic-delay operating principle provides overcurrent protection with an inherent time delay, allowing the breaker to tolerate temporary overloads while responding to sustained fault currents. The push-to-reset actuator provides a manual reset method, and the unit is non-illuminated.
The breaker carries approval agency listings for CCC, CSA, and UL1077. UL1077 is the standard for supplementary protectors, placing this device in the component-protection category for equipment-level circuits.
With a 2-pole configuration and 250V rating, the MU2-B-34-420-1-A21-B-C suits two-conductor AC circuits. Its panel-mount format allows installation into control panels, distribution enclosures, and industrial equipment.
The MU2-B-34-420-1-A21-B-C is rated for 250V.
It is rated for 2A.
This model has 2 poles.
It is a magnetic circuit breaker with a hydraulic delay.
It uses a push-to-reset actuator.
It is designed for panel mounting.
It carries CCC, CSA, and UL1077 approvals.