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AA1-B0-52-640-5B1-C AA1-B0-52-640-5B1-C is a 40A, 277V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It features panel mount and lever actuator.
Mfr Part #:

AA1-B0-52-640-5B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B0-52-640-5B1-C is a 40A, 277V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It features panel mount and lever actuator.
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AA1-B0-52-640-5B1-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-B0-52-640-5B1-C Description

Short technical summary and product information.

This is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc., rated at 40A and 277V. It uses a magnetic (hydraulic delay) trip mechanism for reliable overcurrent protection.

 

The breaker features a lever actuator and is designed for panel mount installation. It has no illumination. The single-pole configuration makes it suitable for branch circuit protection in various applications.

 

With a current rating of 40A and voltage rating of 277V, this circuit breaker is appropriate for use in commercial and industrial electrical systems where overcurrent protection is required.

AA1-B0-52-640-5B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-52-640-5B1-C 40A 277V 1-Pole Magnetic Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AA1-B0-52-640-5B1-C Compliance

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

AA1-B0-52-640-5B1-C Features

  • Rated for 40A continuous current.
  • 277V voltage rating for AC/DC.
  • Single-pole magnetic hydraulic delay.
  • Panel mount with lever actuator.
  • No illumination, non-illuminated design.

AA1-B0-52-640-5B1-C Applications

  • Protects lighting circuits up to 277V
  • Ideal for motor branch circuit protection
  • Used in industrial control panel applications
  • Suitable for HVAC equipment protection

AA1-B0-52-640-5B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-52-640-5B1-C?

40A.

What is the voltage rating?

277V.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the mounting type?

Panel Mount.

What is the actuator type?

Lever.

Is it illuminated?

No, it has no illumination.

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