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BA1-B0-14-640-521-D The Littelfuse Inc. BA1-B0-14-640-521-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 40A current rating and a 277V voltage rating.
Mfr Part #:

BA1-B0-14-640-521-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-14-640-521-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-B0-14-640-521-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
Voltage Rating
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BA1-B0-14-640-521-D Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B0-14-640-521-D is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism, providing reliable circuit protection.

 

The breaker has a current rating of 40A and a voltage rating of 277V. It is approved by multiple agencies including CCC, CSA, UL, and VDE, indicating its compliance with various safety standards.

 

Key specifications include a lever actuator type and a panel mount configuration, making it suitable for integration into various electrical systems. The RoHS status is listed as RoHS3 Compliant, and the Moisture Sensitivity Level is MSL 1 Unlimited.

BA1-B0-14-640-521-D Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: Littelfuse Inc. BA1-B0-14-640-521-D Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breakers

BA1-B0-14-640-521-D Compliance

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

BA1-B0-14-640-521-D Features

  • 40A current rating for robust protection.
  • 277V voltage rating suitable for various applications.
  • Magnetic hydraulic delay for reliable tripping.
  • Panel mount design for easy integration.
  • Approved by CCC, CSA, UL, and VDE.

BA1-B0-14-640-521-D Applications

  • Ideal for industrial control panels.
  • Suitable for power distribution systems.
  • Used in equipment requiring high current.
  • Applicable in systems with 277V.
  • General purpose circuit protection.

BA1-B0-14-640-521-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the BA1-B0-14-640-521-D?

277V.

What is the current rating?

40A.

What is the breaker type?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What type of actuator does it have?

Lever.

What mounting type is it?

Panel Mount.

What approvals does it have?

CCC, CSA, UL, VDE.

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BA1-B0-14-640-M22-D
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This Littelfuse Inc. circuit breaker, part number BA1-B0-14-640-M22-D, offers a 40A current rating and 277V voltage rating. It features a panel mount design and a magnetic hydraulic delay mechanism.
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The Littelfuse Inc. BA1-B2-12-640-521-D is a single-pole magnetic circuit breaker rated for 40A and 277V. It features a panel mount design with a lever actuator.
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