BA2-B0-34-640-521-C The Littelfuse Inc. BA2-B0-34-640-521-C is a 2-pole circuit breaker rated for 40A and 277V. It features a magnetic hydraulic delay and lever actuator.
Mfr Part #:

BA2-B0-34-640-521-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA2-B0-34-640-521-C is a 2-pole circuit breaker rated for 40A and 277V. It features a magnetic hydraulic delay and lever actuator.
Stock on Request
$ Price Range: $0.99

BA2-B0-34-640-521-C 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
Storage Temperature
Tape & Reel
Voltage Rating

BA2-B0-34-640-521-C Description

Short technical summary and product information.

This Littelfuse Inc. BA2-B0-34-640-521-C is a 2-pole circuit breaker designed for panel mounting. It offers a current rating of 40A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing reliable protection. The actuator type is a lever, and it does not feature illumination. Approval agencies include CCC, CSA, and UL.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status. The part number is BA2-B0-34-640-521-C.

BA2-B0-34-640-521-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA2-B0-34-640-521-C Circuit Breaker

BA2-B0-34-640-521-C Compliance

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

BA2-B0-34-640-521-C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

BA2-B0-34-640-521-C Features

  • 40A current rating for robust protection.
  • 277V voltage rating for various applications.
  • Magnetic breaker with hydraulic delay.
  • Panel mount type for easy installation.
  • Lever actuator for operation.

BA2-B0-34-640-521-C Applications

  • Used in electrical distribution panels
  • Provides overload and short circuit protection
  • Suitable for industrial control systems
  • Mounts on panels for easy access

BA2-B0-34-640-521-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA2-B0-34-640-521-C circuit breaker?

The current rating is 40A.

What is the voltage rating for this Littelfuse Inc. circuit breaker?

The voltage rating is 277V.

What type of breaker is the BA2-B0-34-640-521-C?

It is a magnetic breaker with a hydraulic delay.

How many poles does this circuit breaker have?

It has 2 poles.

What is the mounting type for the BA2-B0-34-640-521-C?

The mounting type is Panel Mount.

Is the BA2-B0-34-640-521-C RoHS compliant?

Yes, it is RoHS3 Compliant.

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