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AA1-B0-34-640-531-C AA1-B0-34-640-531-C is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It is rated for 40A at 277V and features a lever actuator with panel mount.
Mfr Part #:

AA1-B0-34-640-531-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B0-34-640-531-C is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It is rated for 40A at 277V and features a lever actuator with panel mount.
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AA1-B0-34-640-531-C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating
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AA1-B0-34-640-531-C Description

Short technical summary and product information.

The AA1-B0-34-640-531-C is a single-pole magnetic hydraulic delay circuit breaker manufactured by Littelfuse Inc. It is designed for overcurrent protection in electrical circuits. The breaker has a current rating of 40A and a voltage rating of 277V. It utilizes a magnetic hydraulic delay mechanism for precise trip characteristics. The actuator type is a lever, and the breaker is panel mounted. This circuit breaker is RoHS3 compliant and has an MSL of 1 (unlimited). It is suitable for applications requiring reliable circuit protection in industrial, commercial, or residential settings. The compact design allows for easy integration into control panels and distribution boards.

AA1-B0-34-640-531-C Quick Information

Product Type: Circuit Breaker
Series: AA1
Canonical Name: AA1-B0-34-640-531-C Circuit Breaker, Magnetic (Hydraulic Delay), 1 Pole, 40A, 277V, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breakers

AA1-B0-34-640-531-C Compliance

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

AA1-B0-34-640-531-C Features

  • Rated for 40A continuous current at 277V.
  • Single-pole magnetic hydraulic delay mechanism.
  • Lever actuator for manual operation.
  • Panel mount design for easy installation.
  • RoHS3 compliant.

AA1-B0-34-640-531-C Applications

  • Used for overcurrent protection in electrical panels.
  • Suitable for industrial control circuits.
  • Ideal for commercial building power distribution.
  • Can be applied in HVAC equipment protection.

AA1-B0-34-640-531-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-34-640-531-C?

40A.

What is the voltage rating of this circuit breaker?

277V.

How many poles does the AA1-B0-34-640-531-C have?

1 pole.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

What is the mounting type for this breaker?

Panel Mount.

AA1-B0-34-640-531-C Alternate Parts

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AA1-B0-52-640-581-C
AA1-B0-52-640-581-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-52-640-581-C is a single-pole, magnetic hydraulic delay circuit breaker rated for 40A and 277V. It features a panel mount design with a lever actuator.
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