AA1-B0-22-620-2B5-C AA1-B0-22-620-2B5-C is a 20A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount, snap-in mounting.
Mfr Part #:

AA1-B0-22-620-2B5-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AA1-B0-22-620-2B5-C is a 20A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount, snap-in mounting.
Stock on Request

AA1-B0-22-620-2B5-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-B0-22-620-2B5-C Description

Short technical summary and product information.

The AA1-B0-22-620-2B5-C is a single-pole magnetic (hydraulic delay) circuit breaker manufactured by Littelfuse Inc. It is rated for 20A at 277V and uses a lever actuator for manual reset and switching. The hydraulic delay mechanism provides time-delayed overcurrent protection, making it suitable for applications with moderate inrush currents.

 

The breaker is designed for panel mount installation with a snap-in retention feature, simplifying assembly into equipment enclosures. It carries approvals from CCC, CSA, and UL, indicating compliance with international safety standards. The unit is non-illuminated and is intended for use in a variety of industrial and commercial power distribution systems.

AA1-B0-22-620-2B5-C Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-22-620-2B5-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Hydraulic-Magnetic Circuit Breaker

AA1-B0-22-620-2B5-C Compliance

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

AA1-B0-22-620-2B5-C Features

  • Rated for 20A at 277V AC.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with snap-in installation.
  • Lever actuator for manual control.
  • Approved by CCC, CSA, and UL.

AA1-B0-22-620-2B5-C Applications

  • Protects branch circuits from overcurrent conditions.
  • Suitable for panel-mounted equipment protection applications.
  • Used in industrial control and power distribution panels.
  • Provides reliable overcurrent protection for lighting circuits.

AA1-B0-22-620-2B5-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-22-620-2B5-C?

The current rating is 20A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of circuit breaker is the AA1-B0-22-620-2B5-C?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this breaker have?

It has 1 pole.

What mounting type does this breaker use?

It uses panel mount with snap-in mounting.

What approvals does the AA1-B0-22-620-2B5-C hold?

It is approved by CCC, CSA, and UL.

AA1-B0-22-620-2B5-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
AA1-B0-26-620-1D7-C
AA1-B0-26-620-1D7-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-26-620-1D7-C is a magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V AC voltage rating.
View Part
AA1-B0-11-620-1G5-C
AA1-B0-11-620-1G5-C
Littelfuse Inc.
Littelfuse AA1-B0-11-620-1G5-C is a 20A, 277V, 1-pole magnetic hydraulic delay circuit breaker with a lever actuator and panel mount snap-in installation.
View Part
AA1-B0-24-620-1D5-C
AA1-B0-24-620-1D5-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-24-620-1D5-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
View Part
AA1-B0-24-620-1G5-C
AA1-B0-24-620-1G5-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-24-620-1G5-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
View Part
Home
Account

Categories