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AJ1-B0-34-640-57J-C The Littelfuse Inc. AJ1-B0-34-640-57J-C is a single-pole magnetic circuit breaker. It features a 40A current rating and a 277V voltage rating.
Mfr Part #:

AJ1-B0-34-640-57J-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AJ1-B0-34-640-57J-C is a single-pole magnetic circuit breaker. It features a 40A current rating and a 277V voltage rating.
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AJ1-B0-34-640-57J-C 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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AJ1-B0-34-640-57J-C Description

Short technical summary and product information.

This Littelfuse Inc. AJ1-B0-34-640-57J-C is a single-pole circuit breaker designed for panel mounting with a snap-in mechanism. It operates with a magnetic (hydraulic delay) tripping mechanism and has a current rating of 40A and a voltage rating of 277V.

 

The breaker features a rocker actuator and does not include illumination. It is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1 Unlimited. The REACH status is unaffected.

 

Key specifications include a 40A current rating and a 277V voltage rating, making it suitable for various protection applications. The panel mount, snap-in mounting type ensures easy installation in suitable enclosures.

AJ1-B0-34-640-57J-C Quick Information

Product Type: Circuit Breaker
Series: AJ1
Canonical Name: Littelfuse Inc. AJ1-B0-34-640-57J-C Circuit Breaker

AJ1-B0-34-640-57J-C Compliance

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

AJ1-B0-34-640-57J-C Features

  • 40A current rating for robust protection.
  • 277V voltage rating suitable for various applications.
  • Single-pole magnetic breaker with hydraulic delay.
  • Panel mount, snap-in installation type.
  • RoHS3 compliant for environmental standards.

AJ1-B0-34-640-57J-C Applications

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

AJ1-B0-34-640-57J-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AJ1-B0-34-640-57J-C?

277V.

What is the current rating?

40A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What type of actuator does it have?

Rocker actuator.

Is the actuator illuminated?

No, it is non-illuminated.

What is the mounting type?

Panel mount, snap-in.

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