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The Littelfuse A21-B0-34-620-131-D is a single-pole magnetic circuit breaker featuring a hydraulic delay mechanism. It is rated for 20A of continuous current at 250V AC/DC. The breaker uses a rocker actuator for manual on/off control and is designed for panel mount installation.
This magnetic-hydraulic breaker provides reliable overcurrent protection with a time-delay characteristic that allows for harmless inrush currents without nuisance tripping. The 1-pole configuration makes it suitable for single-phase circuit protection in a variety of equipment.
The breaker carries approvals from CCC, CSA, UL, and VDE, indicating compliance with major international safety standards. It is designed for use in power distribution, industrial control, and commercial equipment where dependable circuit protection is required.
The current rating is 20A.
The voltage rating is 250V.
It is a magnetic (hydraulic delay) circuit breaker.
It has 1 pole.
It uses a rocker actuator.
It is designed for panel mount.
It is approved by CCC, CSA, UL, and VDE.