AA1-B2-44-450-1B1-C The Littelfuse Inc. AA1-B2-44-450-1B1-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 5A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B2-44-450-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B2-44-450-1B1-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 5A current rating and a 277V voltage rating.
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AA1-B2-44-450-1B1-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-B2-44-450-1B1-C Description

Short technical summary and product information.

This Littelfuse Inc. AA1-B2-44-450-1B1-C is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic (hydraulic delay) mechanism, providing a current rating of 5A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, suitable for applications requiring specific trip characteristics. The actuator type is a lever, offering a clear visual indication of its state.

 

Key electrical specifications include a 5A current rating and a 277V voltage rating. The mounting type is panel mount, facilitating integration into various electrical enclosures and control panels.

 

This circuit breaker is compliant with RoHS3 standards and has an MSL of 1. It is unaffected by REACH regulations.

AA1-B2-44-450-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B2-44-450-1B1-C Circuit Breaker
Subcategory: Circuit Breaker

AA1-B2-44-450-1B1-C Compliance

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

AA1-B2-44-450-1B1-C Features

  • 5A current rating for protection.
  • 277V voltage rating.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design for easy integration.
  • Single-pole configuration.

AA1-B2-44-450-1B1-C Applications

  • Used in industrial control panels.
  • Suitable for power distribution systems.
  • Ideal for HVAC equipment protection.
  • Protects lighting circuits in commercial buildings.

AA1-B2-44-450-1B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

277V.

What is the current rating?

5A.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole (single-pole).

What is the actuator type?

Lever actuator.

What is the mounting type?

Panel mount.

Does it have illumination?

No.

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