BA1-B0-12-640-52H-E The Littelfuse Inc. BA1-B0-12-640-52H-E is a single-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) mechanism with a 40A current rating and a 277V voltage rating.
Mfr Part #:

BA1-B0-12-640-52H-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-12-640-52H-E is a single-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) mechanism with a 40A current rating and a 277V voltage rating.
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BA1-B0-12-640-52H-E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating

BA1-B0-12-640-52H-E Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B0-12-640-52H-E is a single-pole circuit breaker with a magnetic (hydraulic delay) tripping mechanism. It is rated for a maximum current of 40A and a voltage of 277V.

 

The breaker is designed for panel mounting, offering a secure and accessible installation point. Its actuator type is a lever, providing a clear visual indication of the circuit status.

 

Key approvals include CCC, CSA, TUV, and UL, indicating compliance with various international safety standards. The RoHS status is reported as RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited, suggesting standard handling requirements.

 

This component is suitable for applications requiring reliable overcurrent protection within its specified electrical and environmental parameters.

BA1-B0-12-640-52H-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B0-12-640-52H-E Circuit Breaker
Subcategory: Circuit Breaker

BA1-B0-12-640-52H-E Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

BA1-B0-12-640-52H-E Features

  • 40A current rating for power circuits.
  • 277V voltage rating for AC applications.
  • Panel mount design for easy installation.
  • Magnetic (hydraulic delay) tripping mechanism.
  • Lever actuator for clear status indication.

BA1-B0-12-640-52H-E Applications

  • Used for overcurrent protection.
  • Suitable for industrial control panels.
  • Applicable in power distribution systems.
  • Ideal for equipment requiring safety interlocks.

BA1-B0-12-640-52H-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-12-640-52H-E?

40A.

What is the voltage rating?

277V.

How many poles does this circuit breaker have?

One pole.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

What is the mounting type?

Panel mount.

What type of actuator does it use?

Lever actuator.

What regulatory approvals does it hold?

CCC, CSA, TUV, and UL.

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