AA1-B0-26-620-1G1-C Littelfuse AA1-B0-26-620-1G1-C is a 20A, 1-pole magnetic hydraulic delay circuit breaker rated for 277V. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B0-26-620-1G1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AA1-B0-26-620-1G1-C is a 20A, 1-pole magnetic hydraulic delay circuit breaker rated for 277V. It features a lever actuator and panel mount design.
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AA1-B0-26-620-1G1-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-B0-26-620-1G1-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-26-620-1G1-C is a single-pole magnetic circuit breaker with hydraulic delay, designed for overcurrent protection in electrical systems. It is rated for 20A continuous current at 277V AC, making it suitable for branch circuit protection in commercial and industrial applications.

 

The breaker uses a magnetic-hydraulic trip mechanism that provides precise, temperature-stable overcurrent protection. The lever actuator allows for manual reset and switching. It is designed for panel mount installation and carries approvals from CCC, CSA, and UL, ensuring compliance with international safety standards.

AA1-B0-26-620-1G1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse AA1-B0-26-620-1G1-C 20A 1-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AA1-B0-26-620-1G1-C Compliance

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

AA1-B0-26-620-1G1-C Features

  • 20A current rating for branch circuit protection.
  • 277V AC voltage rating for commercial systems.
  • Single-pole magnetic hydraulic delay design.
  • Lever actuator for manual reset and switching.
  • Panel mount for easy installation in enclosures.

AA1-B0-26-620-1G1-C Applications

  • Overcurrent protection in commercial lighting circuits.
  • Branch circuit protection in industrial control panels.
  • Protection for HVAC and refrigeration equipment.
  • Power distribution in building management systems.

AA1-B0-26-620-1G1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-26-620-1G1-C circuit breaker?

The AA1-B0-26-620-1G1-C has a current rating of 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AA1-B0-26-620-1G1-C?

It is a magnetic hydraulic delay circuit breaker.

How many poles does this circuit breaker have?

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

What is the actuator type on this breaker?

The actuator type is a lever.

What mounting type does this circuit breaker use?

It uses a panel mount.

What agency approvals does the AA1-B0-26-620-1G1-C have?

It is approved by CCC, CSA, and UL.

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