Mfr Part #:

AF1-B0-14-620-214-D

The AF1-B0-14-620-214-D is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse featuring a 20A current rating and 277V voltage rating. It has a panel mount rocker actuator and is non-illuminated.

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AF1-B0-14-620-214-D Description

Short technical summary and product information.

The AF1-B0-14-620-214-D is a single-pole magnetic (hydraulic delay) circuit breaker manufactured by Littelfuse Inc. It is rated for 20A continuous current at 277V AC, making it suitable for overcurrent protection in a variety of applications.

The breaker features a rocker actuator and is designed for panel mount installation. It is non-illuminated, which suits applications where status indication is not required. The magnetic hydraulic delay mechanism provides precise, time-delayed tripping characteristics for handling transient loads while protecting against sustained overcurrent.

This circuit breaker holds safety approvals from CCC, CSA, UL, and VDE, ensuring compliance with international standards. Its compact single-pole design is ideal for use in industrial control panels, power distribution systems, and other equipment requiring reliable circuit protection.

AF1-B0-14-620-214-D Quick Information

Product Type: Circuit Breaker

Canonical Name: Circuit Breaker, Magnetic (Hydraulic Delay), 20A, 277V, 1 Pole, Panel Mount, Rocker

Subcategory: Single Pole Circuit Breakers

AF1-B0-14-620-214-D Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

AF1-B0-14-620-214-D Features

Rated for 20A continuous current.
Rated for 277V AC voltage.
Single pole magnetic hydraulic delay design.
Panel mount with rocker actuator.
Certified by CCC, CSA, UL, VDE.

AF1-B0-14-620-214-D Applications

Used in lighting control panels for overcurrent protection.
Ideal for commercial appliance branch circuit protection.
Suitable for power distribution in control cabinets.
Protects HVAC equipment from overload conditions.
Recommended for panel-mounted industrial automation circuits.

AF1-B0-14-620-214-D FAQs

7 frequently asked questions generated from this part’s specifications.

What is the current rating of this circuit breaker?

20A.

What is the voltage rating?

277V.

How many poles does it have?

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

What actuator type does it have?

Rocker.

Does it have illumination?

No, it is non-illuminated.

What mounting type is used?

Panel Mount.

AF1-B0-14-620-214-D Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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AJ1-B0-14-620-121-D

Littelfuse Inc.

The Littelfuse Inc. AJ1-B0-14-620-121-D is a single-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism.

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