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BA1-B0-14-645-521-D The Littelfuse Inc. BA1-B0-14-645-521-D is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 45A current rating.
Mfr Part #:

BA1-B0-14-645-521-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-14-645-521-D is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 45A current rating.
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BA1-B0-14-645-521-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
SVHC Present
Voltage Rating
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BA1-B0-14-645-521-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number BA1-B0-14-645-521-D, is a single-pole device designed for panel mounting. It operates with a magnetic (hydraulic delay) breaker type and has a current rating of 45A.

 

The voltage rating for this circuit breaker is 277V, and it is approved by multiple agencies including CCC, CSA, UL, and VDE. The actuator type is a lever, and it does not feature illumination.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status. This circuit breaker is suitable for applications requiring reliable overcurrent protection with specific electrical and mounting characteristics.

BA1-B0-14-645-521-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B0-14-645-521-D Circuit Breaker

BA1-B0-14-645-521-D Compliance

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

BA1-B0-14-645-521-D Features

  • Panel mount circuit breaker.
  • 45A current rating.
  • 277V voltage rating.
  • Magnetic hydraulic delay type.
  • 1 pole configuration.

BA1-B0-14-645-521-D Applications

  • Used for overcurrent protection.
  • Suitable for panel installations.
  • Industrial control panels.
  • Power distribution systems.

BA1-B0-14-645-521-D FAQs

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

45A.

What is the voltage rating?

277V.

How many poles does this breaker have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the mounting type?

Panel Mount.

What approvals does this breaker have?

CCC, CSA, UL, VDE.

What actuator type is used?

Lever.

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