A21-B0-12-640-M12-E
Littelfuse Inc.
The Littelfuse Inc. A21-B0-12-640-M12-E is a 1-pole magnetic circuit breaker. It features a 40A current rating and a 277V voltage rating.
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This Littelfuse Inc. AD1-B0-12-640-P33-E is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic hydraulic delay mechanism for reliable operation.
The breaker has a current rating of 40A and a voltage rating of 277V. The actuator type is a rocker, and it does not feature illumination. It is approved by CCC, CSA, TUV, and UL.
This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. It is suitable for applications requiring robust circuit protection with specific electrical and mounting requirements.
40A
277V
1 pole
Magnetic (Hydraulic Delay) type.
Panel mount
Rocker actuator
CCC, CSA, TUV, UL