AC1-B0-12-640-5H1-D The Littelfuse Inc. AC1-B0-12-640-5H1-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 40A current rating and a 277V voltage rating.
Mfr Part #:

AC1-B0-12-640-5H1-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AC1-B0-12-640-5H1-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 40A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AC1-B0-12-640-5H1-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

AC1-B0-12-640-5H1-D Description

Short technical summary and product information.

This Littelfuse Inc. AC1-B0-12-640-5H1-D is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic hydraulic delay mechanism for reliable operation.

 

The breaker has a current rating of 40A and a voltage rating of 277V. The actuator type is a rocker, and it features no illumination. Approval agencies include CCC, CSA, UL, and VDE, indicating broad compliance for various applications.

 

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. It is also REACH unaffected. The breaker type is specifically magnetic (hydraulic delay), suitable for applications requiring precise overcurrent protection with a controlled delay.

 

Key specifications include a 40A current rating, 277V voltage rating, and panel mount type. The rocker actuator provides a user-friendly interface for operation.

AC1-B0-12-640-5H1-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AC1-B0-12-640-5H1-D Circuit Breaker

AC1-B0-12-640-5H1-D Compliance

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

AC1-B0-12-640-5H1-D Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AC1-B0-12-640-5H1-D Features

  • 40A current rating for robust protection.
  • 277V voltage rating for various applications.
  • Magnetic hydraulic delay for controlled tripping.
  • Panel mount design for easy integration.
  • Rocker actuator for simple operation.

AC1-B0-12-640-5H1-D Applications

  • Ideal for industrial control panels.
  • Suitable for power distribution systems.
  • Used in equipment requiring overcurrent protection.
  • Applicable in systems with 277V requirements.

AC1-B0-12-640-5H1-D FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AC1-B0-12-640-5H1-D circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

What type of breaker mechanism does the AC1-B0-12-640-5H1-D use?

It uses a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

What agencies have approved this circuit breaker?

Approval agencies include CCC, CSA, UL, and VDE.

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