CA1-B0-34-620-321-H The Littelfuse Inc. CA1-B0-34-620-321-H is a 1-pole circuit breaker with a 20A current rating and 277V voltage rating. It features a magnetic hydraulic delay mechanism and panel mount design.
Mfr Part #:

CA1-B0-34-620-321-H

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CA1-B0-34-620-321-H is a 1-pole circuit breaker with a 20A current rating and 277V voltage rating. It features a magnetic hydraulic delay mechanism and panel mount design.
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CA1-B0-34-620-321-H 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

CA1-B0-34-620-321-H Description

Short technical summary and product information.

This Littelfuse Inc. CA1-B0-34-620-321-H is a single-pole circuit breaker designed for panel mounting. It offers a current rating of 20A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, providing reliable overcurrent protection. The actuator type is a lever, and it does not feature illumination.

 

Key specifications include a 1-pole configuration and approval by agencies such as CCC, CSA, UL489, and VDE. The RoHS status is RoHS3 Compliant, and it has a Moisture Sensitivity Level (MSL) of 1.

 

This circuit breaker is suitable for various industrial and commercial applications requiring robust protection against electrical faults.

CA1-B0-34-620-321-H Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CA1-B0-34-620-321-H Circuit Breaker
Subcategory: Circuit Breaker

CA1-B0-34-620-321-H Compliance

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

CA1-B0-34-620-321-H Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • Magnetic hydraulic delay for reliable tripping.
  • Panel mount design for easy installation.
  • Approved by CCC, CSA, UL489, VDE.

CA1-B0-34-620-321-H Applications

  • Industrial control panels.
  • Power distribution systems.
  • Commercial electrical installations.
  • Machinery safety circuits.

CA1-B0-34-620-321-H FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CA1-B0-34-620-321-H?

20 amperes.

What is the voltage rating?

277 volts.

How many poles does this circuit breaker have?

1 pole.

What is the breaker type?

Magnetic (Hydraulic Delay).

What is the mounting style?

Panel mount.

What actuator type does it use?

Lever actuator.

What approvals does this circuit breaker hold?

CCC, CSA, UL489, and VDE.

CA1-B0-34-620-321-H Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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CA1-B0-34-620-121-H
CA1-B0-34-620-121-H
Littelfuse Inc.
The Littelfuse Inc. CA1-B0-34-620-121-H is a magnetic (hydraulic delay) circuit breaker. It features a 20A current rating and a 277V voltage rating.
View Part
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