BA1-B4-12-640-521-D
Littelfuse Inc.
The Littelfuse Inc. BA1-B4-12-640-521-D is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 40A and 277V. It features a lever actuator and panel mount design.
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This Littelfuse Inc. BA1-B0-14-640-C22-D is a single-pole circuit breaker designed for panel mounting. It offers a robust 40A current rating and a 277V voltage rating, suitable for various electrical protection applications.
The breaker type is magnetic with a hydraulic delay, providing reliable overcurrent protection. It features a simple lever actuator and no illumination. Approval agencies include CCC, CSA, UL, and VDE, indicating compliance with international safety standards.
Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status. The panel mount design ensures secure installation in control panels and enclosures.
The current rating is 40A.
The voltage rating is 277V.
It is a magnetic breaker with a hydraulic delay.
It has 1 pole.
The mounting type is Panel Mount.
Yes, it is RoHS3 Compliant.
The MSL is 1 Unlimited.