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AA1-B0-26-450-1D1-C The AA1-B0-26-450-1D1-C is a single-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It is rated for 5A at 277V and features a lever actuator with panel mount.
Mfr Part #:

AA1-B0-26-450-1D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-26-450-1D1-C is a single-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It is rated for 5A at 277V and features a lever actuator with panel mount.
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AA1-B0-26-450-1D1-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-B0-26-450-1D1-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-26-450-1D1-C is a 1-pole magnetic circuit breaker utilizing hydraulic delay for overcurrent protection. It is rated for a continuous current of 5A at a voltage of 277V AC/DC. The breaker employs a lever actuator for manual reset and is designed for panel mount installation. This breaker is approved by CCC, CSA, and UL, ensuring compliance with international standards.

 

The hydraulic-magnetic mechanism provides precise overload protection unaffected by ambient temperature, making it suitable for a variety of applications in industrial and commercial equipment. The single-pole configuration allows for individual circuit protection in branch circuits or control panels.

AA1-B0-26-450-1D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse AA1-B0-26-450-1D1-C 1-Pole Magnetic Hydraulic Delay Circuit Breaker, 5A, 277V, Panel Mount
Subcategory: Hydraulic-Magnetic Circuit Breaker

AA1-B0-26-450-1D1-C Compliance

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

AA1-B0-26-450-1D1-C Features

  • Rated for 5A at 277V operation.
  • Single-pole hydraulic-magnetic design.
  • Lever actuator for manual reset.
  • Panel mount installation.
  • UL, CSA, CCC approved.

AA1-B0-26-450-1D1-C Applications

  • Protects branch circuits in panelboards.
  • Used in industrial control panels.
  • Suitable for HVAC equipment.
  • Ideal for power distribution units.

AA1-B0-26-450-1D1-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

How many poles does this breaker have?

1

What type of breaker is this?

Magnetic (Hydraulic Delay)

What mounting type is used?

Panel Mount

What approvals does this breaker have?

CCC, CSA, UL

What type of actuator does this breaker use?

Lever

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