AF1-B0-12-620-1H1-D AF1-B0-12-620-1H1-D is a 20A, 277V single-pole magnetic circuit breaker from Littelfuse. It features a hydraulic delay, rocker actuator, and panel mount design.
Mfr Part #:

AF1-B0-12-620-1H1-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
AF1-B0-12-620-1H1-D is a 20A, 277V single-pole magnetic circuit breaker from Littelfuse. It features a hydraulic delay, rocker actuator, and panel mount design.
Stock on Request

AF1-B0-12-620-1H1-D 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)
Halogen Free
Illumination
Industrial Grade
Mounting Type
Number of Poles
SVHC Present
Voltage Rating

AF1-B0-12-620-1H1-D Description

Short technical summary and product information.

AF1-B0-12-620-1H1-D is a single-pole circuit breaker from Littelfuse. It is rated for 20A at 277V and uses a magnetic hydraulic delay trip mechanism. The breaker is designed for panel mounting and is operated with a rocker actuator. The actuator is non-illuminated.

 

The magnetic hydraulic delay construction provides overcurrent protection with a time-delayed trip characteristic. As a 1-pole device, it is suited for single-phase circuit protection applications. The 277V voltage rating and 20A current rating define the electrical operating envelope for this breaker.

 

The panel mount package allows installation into a panel cutout, and the rocker actuator provides manual on/off control. The non-illuminated actuator simplifies the front panel design by eliminating the need for indicator lamp wiring. This circuit breaker is classified under Circuit Breakers in the Circuit Protection category.

AF1-B0-12-620-1H1-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Magnetic Hydraulic Delay Circuit Breaker, 20A, 277V, 1-Pole, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

AF1-B0-12-620-1H1-D Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

AF1-B0-12-620-1H1-D Features

  • Rated for 20A continuous current.
  • Rated for 277V AC operation.
  • Single-pole magnetic hydraulic delay breaker.
  • Panel mount rocker actuator design.
  • Non-illuminated rocker actuator for manual control.

AF1-B0-12-620-1H1-D Applications

  • Overcurrent protection for industrial control panels.
  • Protects lighting circuits up to 277V.
  • Suitable for HVAC equipment branch circuits.
  • Panel-mount breaker for power distribution.

AF1-B0-12-620-1H1-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AF1-B0-12-620-1H1-D?

277V.

What is the current rating of the AF1-B0-12-620-1H1-D?

20A.

What type of circuit breaker is the AF1-B0-12-620-1H1-D?

Magnetic (Hydraulic Delay).

How many poles does the AF1-B0-12-620-1H1-D have?

1 pole.

What actuator type does the AF1-B0-12-620-1H1-D use?

Rocker.

Is the AF1-B0-12-620-1H1-D actuator illuminated?

No, illumination is none.

What is the mounting type of the AF1-B0-12-620-1H1-D?

Panel Mount.

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