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The AA1-B0-22-620-2B5-C is a single-pole magnetic (hydraulic delay) circuit breaker manufactured by Littelfuse Inc. It is rated for 20A at 277V and uses a lever actuator for manual reset and switching. The hydraulic delay mechanism provides time-delayed overcurrent protection, making it suitable for applications with moderate inrush currents.
The breaker is designed for panel mount installation with a snap-in retention feature, simplifying assembly into equipment enclosures. It carries approvals from CCC, CSA, and UL, indicating compliance with international safety standards. The unit is non-illuminated and is intended for use in a variety of industrial and commercial power distribution systems.
The current rating is 20A.
The voltage rating is 277V.
It is a magnetic (hydraulic delay) circuit breaker.
It has 1 pole.
It uses panel mount with snap-in mounting.
It is approved by CCC, CSA, and UL.