AK1-B0-34-620-421-C The Littelfuse Inc. AK1-B0-34-620-421-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

AK1-B0-34-620-421-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AK1-B0-34-620-421-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
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AK1-B0-34-620-421-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
SVHC Present
Voltage Rating

AK1-B0-34-620-421-C Description

Short technical summary and product information.

This Littelfuse Inc. AK1-B0-34-620-421-C is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic (hydraulic delay) mechanism and has a current rating of 20A and a voltage rating of 277V.

 

The breaker features a rocker actuator and does not include illumination. It is approved by CCC, CSA, and UL agencies. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1 Unlimited.

 

This circuit breaker is suitable for applications requiring reliable overcurrent protection with a specific delay characteristic. Its panel mount design facilitates integration into various electrical enclosures and systems.

AK1-B0-34-620-421-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AK1-B0-34-620-421-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

AK1-B0-34-620-421-C Compliance

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

AK1-B0-34-620-421-C Features

  • 20A current rating for protection.
  • 277V voltage rating.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole, panel mount design.
  • RoHS3 compliant.

AK1-B0-34-620-421-C Applications

  • Industrial control panels.
  • Power distribution systems.
  • Equipment protection circuits.
  • General electrical safety.

AK1-B0-34-620-421-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AK1-B0-34-620-421-C?

277V.

What is the current rating?

20A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What type of actuator does this breaker use?

Rocker actuator.

What is the mounting type?

Panel mount.

What agency approvals does this breaker have?

CCC, CSA, UL.

AK1-B0-34-620-421-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AC1-B0-34-620-1S1-C
AC1-B0-34-620-1S1-C
Littelfuse Inc.
The Littelfuse Inc. AC1-B0-34-620-1S1-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
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