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This Littelfuse Inc. circuit breaker, part number AA1-B0-21-620-1D1-C, is designed for reliable circuit protection. It operates with a 20A current rating and a voltage rating of 277V.
The breaker type is magnetic with a hydraulic delay, offering specific trip characteristics. It features a simple lever actuator and a panel mount design for easy integration into control panels and equipment.
With one pole, this circuit breaker is suitable for single-phase applications or specific circuit isolation needs. It is approved by CCC, CSA, and UL agencies, indicating compliance with relevant safety standards. The RoHS3 status is compliant, and it has an MSL of 1, signifying unlimited shelf life under standard conditions.
277V
20A
1 pole
Magnetic (Hydraulic Delay)
CCC, CSA, UL
Panel mount