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The Littelfuse MT1-U-30-020-1-C21-B-C is a single-pole magnetic circuit breaker with a hydraulic delay mechanism. It is rated for 20mA of current and 250V of voltage, making it suitable for overcurrent protection in low-power circuits.
The breaker uses a magnetic (hydraulic delay) trip mechanism, which provides a time-delayed response to overcurrent conditions. This design helps prevent nuisance tripping from temporary inrush currents while still providing reliable protection against sustained overloads and short circuits.
The actuator type is push-pull, allowing for manual reset and circuit interruption. The device is designed for panel mount installation. It carries approvals from CCC, CSA, and UL1077, indicating compliance with relevant safety standards.
The current rating is 20mA.
The voltage rating is 250V.
It is a magnetic (hydraulic delay) circuit breaker.
It has 1 pole.
The actuator type is push-pull.
The mounting type is panel mount.
It is approved by CCC, CSA, and UL1077.