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This Littelfuse Inc. BA1-B0-52-620-B12-D is a single-pole circuit breaker with a current rating of 20A and a voltage rating of 277V. It utilizes a magnetic hydraulic delay for its tripping mechanism and has a lever actuator.
The breaker is designed for panel mounting, making it suitable for integration into various electrical enclosures and control panels. Its approval agencies include CCC, CSA, UL, and VDE, indicating compliance with significant international safety standards.
This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1, meaning it has unlimited shelf life under standard conditions. The REACH status is unaffected. The breaker type is specifically magnetic with a hydraulic delay, offering a distinct protection characteristic compared to thermal breakers.
Key electrical specifications include a 20A current carrying capacity and a 277V maximum voltage rating. The single pole design is typical for branch circuit protection in many applications. The lever actuator provides a clear visual indication of the breaker's state (on/off).
Applications for this circuit breaker include general power distribution, control panel protection, and equipment safety in industrial, commercial, and potentially residential settings where its specifications meet the required protection levels.
The current rating is 20A.
The voltage rating is 277V.
It is designed for panel mounting.
It uses a Magnetic (Hydraulic Delay) breaker type.
This is a 1-pole circuit breaker.
Yes, it is RoHS3 Compliant.
The MSL is 1 Unlimited.