AA1-B0-12-440-1T2-D
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-440-1T2-D is a 1-pole magnetic circuit breaker. It features a 4A current rating and a 277V voltage rating.
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This Littelfuse Inc. circuit breaker, part number AA1-B0-12-440-192-D, is a single-pole device rated for 4A and 277V. It utilizes a magnetic hydraulic delay for its tripping mechanism, providing reliable overcurrent protection.
The breaker is designed for panel mounting and features a lever actuator. Its construction is suitable for various industrial and commercial applications requiring robust circuit protection.
Key electrical specifications include a 4A current rating and a 277V voltage rating. The breaker type is magnetic with a hydraulic delay, and it has a single pole configuration. The mounting type is panel mount, and the actuator is a lever.
Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are unverified. The part is also listed with CSA, UL, and VDE approval agencies.
The current rating is 4A.
The voltage rating is 277V.
It is a magnetic hydraulic (hydraulic delay) circuit breaker.
It is a single-pole (1-pole) circuit breaker.
It is designed for panel mount installation.
It uses a lever actuator.