BA1-B4-12-640-C22-D The Littelfuse Inc. BA1-B4-12-640-C22-D is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 40A current rating and a 277V voltage rating.
Mfr Part #:

BA1-B4-12-640-C22-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B4-12-640-C22-D is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 40A current rating and a 277V voltage rating.
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BA1-B4-12-640-C22-D 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
SVHC Present
Voltage Rating

BA1-B4-12-640-C22-D Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B4-12-640-C22-D is a single-pole circuit breaker designed for panel mounting. It operates with a current rating of 40A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, offering reliable protection. It is approved by multiple agencies including CCC, CSA, UL, and VDE.

 

Key specifications include a lever actuator and no illumination. The RoHS status is RoHS3 Compliant, and the Moisture Sensitivity Level is MSL 1 Unlimited. REACH status is unaffected.

 

This component is suitable for applications requiring robust circuit protection with specific electrical and mounting requirements.

BA1-B4-12-640-C22-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B4-12-640-C22-D Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

BA1-B4-12-640-C22-D Compliance

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

BA1-B4-12-640-C22-D Features

  • 40A current rating for robust protection.
  • 277V voltage rating suitable for various applications.
  • Magnetic breaker with hydraulic delay.
  • Panel mount type for easy installation.
  • Approved by CCC, CSA, UL, and VDE.

BA1-B4-12-640-C22-D Applications

  • Ideal for industrial control panels.
  • Suitable for power distribution systems.
  • Used in equipment requiring specific protection.
  • Applicable in systems with 277V requirements.

BA1-B4-12-640-C22-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B4-12-640-C22-D?

The current rating is 40A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the BA1-B4-12-640-C22-D?

It is a magnetic hydraulic delay circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What is the actuator type on this breaker?

The actuator type is a lever.

What mounting type does this circuit breaker use?

It uses panel mount.

What approvals does the BA1-B4-12-640-C22-D hold?

It is approved by CCC, CSA, UL, and VDE.

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Littelfuse Inc.
The Littelfuse Inc. AA1-B0-16-640-H92-D is a panel mount circuit breaker. It features a 40A current rating and a 277V voltage rating.
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The Littelfuse Inc. BA1-B0-14-640-H22-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 40A current rating and a 277V voltage rating.
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