DistyParts Icon
BA1-B2-12-640-521-D 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.
Mfr Part #:

BA1-B2-12-640-521-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
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.
Stock on Request

BA1-B2-12-640-521-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
View Similar Products (0)

BA1-B2-12-640-521-D Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B2-12-640-521-D is a magnetic (hydraulic delay) circuit breaker designed for panel mounting.

 

It offers a current rating of 40A and a voltage rating of 277V, with a single pole configuration. The actuator type is a lever.

 

Compliance agencies include CCC, CSA, UL, and VDE. The RoHS status is RoHS3 Compliant, Moisture Sensitivity Level is 1 Unlimited, and REACH status is REACH Unaffected. These compliance details are based on available database information and are not verified by official documentation.

 

This circuit breaker is suitable for applications requiring reliable overcurrent protection within its specified electrical ratings and mounting requirements.

BA1-B2-12-640-521-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B2-12-640-521-D Circuit Breaker
Subcategory: Circuit Breaker

BA1-B2-12-640-521-D Compliance

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

BA1-B2-12-640-521-D Features

  • 40A current rating for protection.
  • 277V voltage rating for power circuits.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design for easy installation.
  • Lever actuator for operation.

BA1-B2-12-640-521-D Applications

  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Applicable for equipment protection.
  • General purpose circuit protection.

BA1-B2-12-640-521-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of this circuit breaker?

40A

What is the voltage rating?

277V

What type of breaker is it?

Magnetic (Hydraulic Delay)

How many poles does it have?

1 pole

What actuator type does it use?

Lever

What are the mounting options?

Panel Mount

What approvals does this circuit breaker have?

CCC, CSA, UL, VDE

BA1-B2-12-640-521-D Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
BA1-B4-12-640-521-D
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.
View Part
AA1-B0-16-640-H92-D
AA1-B0-16-640-H92-D
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.
View Part
BA1-B0-12-640-512-D
BA1-B0-12-640-512-D
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-12-640-512-D is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay with a 40A current rating and 277V voltage rating.
View Part
AA1-B0-14-640-522-D
AA1-B0-14-640-522-D
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-14-640-522-D is a single-pole, magnetic hydraulic delay circuit breaker rated for 40A and 277V. It features a lever actuator and panel mount design.
View Part
Home
Account

Categories