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AA1-B0-52-640-5B2-C The Littelfuse Inc. AA1-B0-52-640-5B2-C is a magnetic (hydraulic delay) circuit breaker. It features a 40A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-52-640-5B2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-52-640-5B2-C is a magnetic (hydraulic delay) circuit breaker. It features a 40A current rating and a 277V voltage rating.
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AA1-B0-52-640-5B2-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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AA1-B0-52-640-5B2-C Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B0-52-640-5B2-C is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic (hydraulic delay) mechanism and has a current rating of 40A and a voltage rating of 277V.

 

The breaker features a lever actuator and is approved by CCC, CSA, and UL. It is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

 

This component is suitable for applications requiring reliable overcurrent protection with a specific delay characteristic. Its panel mount design facilitates integration into various electrical enclosures and systems.

AA1-B0-52-640-5B2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-52-640-5B2-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

AA1-B0-52-640-5B2-C Compliance

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

AA1-B0-52-640-5B2-C Features

  • 40A current rating for robust protection.
  • 277V voltage rating for AC applications.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount for easy installation.
  • CCC, CSA, UL approved for safety.

AA1-B0-52-640-5B2-C Applications

  • Ideal for industrial control panels.
  • Suitable for power distribution units.
  • Used in equipment requiring protection.
  • Applicable in commercial building systems.

AA1-B0-52-640-5B2-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-52-640-5B2-C?

277V.

What is the current rating?

40A.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

What is the mounting type?

Panel Mount.

What actuation type does it have?

Lever.

Is the circuit breaker illuminated?

No, it is non-illuminated.

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