AB2-B0-34-620-1D1-C
Littelfuse Inc.
The Littelfuse Inc. AB2-B0-34-620-1D1-C is a 2-pole circuit breaker designed for panel mounting. It features a 20A current rating and a 277V voltage rating.
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The AA2-B0-24-620-421-C is a two-pole panel mount circuit breaker manufactured by Littelfuse Inc. Designed for electrical panel protection, this device provides overcurrent protection rated at 20 amperes and 277 volts. The unit incorporates a magnetic hydraulic delay trip mechanism, which offers reliable protection against sustained overloads while tolerating brief inrush currents typical in industrial equipment.
Equipped with a manual lever actuator, the breaker allows for straightforward visual status indication and manual reset or tripping operations. The panel mount configuration ensures secure installation within control panels and distribution boards. This component serves as a critical safety element in commercial and industrial power distribution systems where precise overload and short-circuit protection is required.
Manufactured under Littelfuse's standard circuit breaker lineup, this part delivers consistent performance in demanding environments. Engineers specifying this component should verify enclosure compatibility and terminal wiring requirements during the design phase to ensure proper integration into their electrical architecture.
277V.
20A.
Two poles.
Magnetic hydraulic delay.
Manual lever.