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AA2-B2-34-640-5B1-C This AA2-B2-34-640-5B1-C is a 40A, 277V, 2-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
Mfr Part #:

AA2-B2-34-640-5B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This AA2-B2-34-640-5B1-C is a 40A, 277V, 2-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
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AA2-B2-34-640-5B1-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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AA2-B2-34-640-5B1-C Description

Short technical summary and product information.

The AA2-B2-34-640-5B1-C is a magnetic (hydraulic delay) circuit breaker manufactured by Littelfuse Inc. It is rated for 40A continuous current at 277V AC. This 2-pole breaker uses a hydraulic-magnetic trip mechanism, providing precise overcurrent protection with time delay characteristics. The lever actuator allows manual reset and switching. The breaker is designed for panel mount installation, making it suitable for industrial control panels, power distribution units, and other equipment requiring reliable circuit protection. The non-illuminated actuator simplifies operation.

AA2-B2-34-640-5B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA2-B2-34-640-5B1-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AA2-B2-34-640-5B1-C Compliance

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

AA2-B2-34-640-5B1-C Features

  • Rated for 40A continuous current.
  • Rated for 277V AC operation.
  • 2-pole magnetic (hydraulic delay) design.
  • Panel mount installation.
  • Lever actuator for manual control.

AA2-B2-34-640-5B1-C Applications

  • Used in industrial control panels.
  • Suitable for power distribution units.
  • Ideal for equipment branch circuit protection.
  • Applied in HVAC systems.
  • Used in motor control centers.

AA2-B2-34-640-5B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA2-B2-34-640-5B1-C?

277V.

What is the mounting type?

Panel mount.

What is the current rating?

40A.

How many poles does this circuit breaker have?

2 poles.

What type of breaker is this?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

Is the breaker illuminated?

No, it is non-illuminated.

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