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A11-B0-14-640-512-E Littelfuse A11-B0-14-640-512-E is a 40A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker with rocker actuator and panel mount.
Mfr Part #:

A11-B0-14-640-512-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse A11-B0-14-640-512-E is a 40A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker with rocker actuator and panel mount.
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A11-B0-14-640-512-E 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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A11-B0-14-640-512-E Description

Short technical summary and product information.

The Littelfuse A11-B0-14-640-512-E is a single-pole magnetic circuit breaker with hydraulic delay, rated for 40A at 277V. It features a rocker actuator and is designed for panel mount installation.

 

The magnetic (hydraulic delay) trip mechanism provides reliable overcurrent protection with time-delay characteristics, suitable for applications with inrush currents. The breaker is non-illuminated and carries approvals from CCC, CSA, TUV, and UL.

 

This circuit breaker is RoHS3 compliant and REACH unaffected, with an MSL of 1 (unlimited). It is intended for use in circuit protection applications within the specified electrical ratings.

A11-B0-14-640-512-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse A11-B0-14-640-512-E 40A 277V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

A11-B0-14-640-512-E Compliance

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

A11-B0-14-640-512-E Features

  • Rated for 40A continuous current at 277V.
  • Single-pole magnetic hydraulic delay trip mechanism.
  • Panel mount with rocker actuator for easy operation.
  • Approved by CCC, CSA, TUV, and UL.
  • RoHS3 compliant and REACH unaffected.

A11-B0-14-640-512-E Applications

  • Overcurrent protection for industrial control panels.
  • Branch circuit protection in power distribution.
  • Suitable for lighting and general-purpose loads.
  • Motor circuit protection with hydraulic delay.

A11-B0-14-640-512-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the A11-B0-14-640-512-E?

277V.

What is the current rating?

40A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the actuator type?

Rocker.

What is the mounting type?

Panel mount.

What approvals does it have?

CCC, CSA, TUV, UL.

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