AA1-B0-34-450-3B2-C AA1-B0-34-450-3B2-C is a 5A, 277V single-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It provides reliable overcurrent protection in electrical circuits.
Mfr Part #:

AA1-B0-34-450-3B2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B0-34-450-3B2-C is a 5A, 277V single-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It provides reliable overcurrent protection in electrical circuits.
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AA1-B0-34-450-3B2-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

AA1-B0-34-450-3B2-C Description

Short technical summary and product information.

The AA1-B0-34-450-3B2-C is a single-pole magnetic circuit breaker manufactured by Littelfuse. It features a hydraulic delay mechanism, providing time-delayed tripping characteristics suitable for handling inrush currents.

 

Rated at 5 amps and 277 volts, this breaker is designed for use in branch circuit protection and equipment overcurrent protection. The magnetic trip element ensures fast response to high fault currents while the hydraulic delay allows momentary overloads without nuisance tripping.

 

The compact single-pole design makes it suitable for applications where space is limited. As a magnetic circuit breaker, it offers reliable performance in varying temperatures and is not affected by ambient temperature changes unlike thermal breakers.

AA1-B0-34-450-3B2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-34-450-3B2-C Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AA1-B0-34-450-3B2-C Compliance

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

AA1-B0-34-450-3B2-C Features

  • This circuit breaker is rated for 5A.
  • It has a voltage rating of 277V.
  • Uses magnetic hydraulic delay mechanism.
  • Single-pole design for 1-phase circuits.

AA1-B0-34-450-3B2-C Applications

  • Used in branch circuit overcurrent protection.
  • Suitable for motor load circuits.
  • Protects against short circuits and overloads.
  • Ideal for industrial control panels.
  • Can be used in lighting distribution panels.

AA1-B0-34-450-3B2-C FAQs

4 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-34-450-3B2-C circuit breaker?

It is rated for 277V.

What is the current rating of the AA1-B0-34-450-3B2-C?

It is rated for 5A.

How many poles does this circuit breaker have?

It is a single-pole (1-pole) breaker.

What type of circuit breaker is the AA1-B0-34-450-3B2-C?

It is a magnetic (hydraulic delay) circuit breaker.

AA1-B0-34-450-3B2-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
AA1-B0-34-450-5C1-C
AA1-B0-34-450-5C1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-34-450-5C1-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 5A current rating and a 277V voltage rating.
View Part
AA1-B0-34-450-2G1-C
AA1-B0-34-450-2G1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-34-450-2G1-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a lever actuator.
View Part
AA1-B0-34-450-1D1-C
AA1-B0-34-450-1D1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-34-450-1D1-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay with a 5A current rating and 277V voltage rating.
View Part
AA1-B0-34-450-1G1-C
AA1-B0-34-450-1G1-C
Littelfuse Inc.
1-pole magnetic hydraulic delay circuit breaker from Littelfuse rated 5A at 277V with panel mount and lever actuator.
View Part
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