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BA1-B2-14-640-521-D The Littelfuse Inc. BA1-B2-14-640-521-D is a circuit breaker designed for panel mounting. It features a 40A current rating and a 277V voltage rating.
Mfr Part #:

BA1-B2-14-640-521-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B2-14-640-521-D is a circuit breaker designed for panel mounting. It features a 40A current rating and a 277V voltage rating.
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BA1-B2-14-640-521-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-B2-14-640-521-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number BA1-B2-14-640-521-D, is a magnetic hydraulic delay type breaker. It is rated for 40A and operates at a voltage of 277V.

 

The breaker is designed for panel mounting and features a lever actuator for operation. It has a single pole configuration and is approved by multiple agencies including CCC, CSA, UL, and VDE.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status. The component is suitable for various applications requiring reliable circuit protection.

BA1-B2-14-640-521-D Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: Littelfuse Inc. BA1-B2-14-640-521-D Circuit Breaker

BA1-B2-14-640-521-D Compliance

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

BA1-B2-14-640-521-D Features

  • 40A current rating for robust protection.
  • 277V voltage rating for diverse applications.
  • Panel mount design for easy integration.
  • Lever actuator for simple operation.
  • Approved by CCC, CSA, UL, and VDE.

BA1-B2-14-640-521-D Applications

  • Used in industrial power distribution.
  • Ideal for branch circuit protection.
  • Suitable for equipment control panels.
  • Protects against overloads and short circuits.
  • Designed for AC applications up to 277V.

BA1-B2-14-640-521-D FAQs

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

The voltage rating is 277V.

What is the current rating of this circuit breaker?

The current rating is 40A.

What type of circuit breaker is this?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does it have?

It has 1 pole.

What type of actuator does it use?

It uses a lever actuator.

How is it mounted?

It is panel mounted.

What approvals does it hold?

Approved by CCC, CSA, UL, and VDE.

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