AA1-B0-21-620-1D2-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-21-620-1D2-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
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The Littelfuse AA1-B0-21-620-1B1-C is a single pole magnetic hydraulic delay circuit breaker rated for 20A at 277V. This panel mount circuit breaker uses a lever actuator and provides dependable overcurrent protection with a precise hydraulic delay mechanism. It is designed for reliable operation in industrial, commercial, and power distribution applications. The breaker carries approvals from CCC, CSA, and UL, ensuring compliance with international safety standards. Its compact panel mount design simplifies installation in control panels and equipment enclosures. The non-illuminated actuator reduces power consumption and keeps the design simple. The magnetic hydraulic delay offers excellent temperature stability and repeatability, making it suitable for challenging environments where thermal breakers may drift.
20A.
277V.
1 pole.
Magnetic (Hydraulic Delay).
Panel mount.
CCC, CSA, UL.