CF2-B0-21-440-53J-D The Littelfuse Inc. CF2-B0-21-440-53J-D is a 2-pole magnetic circuit breaker with a 4A current rating and 250V voltage rating. It features a panel mount design and a rocker actuator.
Mfr Part #:

CF2-B0-21-440-53J-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CF2-B0-21-440-53J-D is a 2-pole magnetic circuit breaker with a 4A current rating and 250V voltage rating. It features a panel mount design and a rocker actuator.
Stock on Request
$ Price Range: $0.99

CF2-B0-21-440-53J-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)
Illumination
Mounting Type
Number of Poles
Voltage Rating

CF2-B0-21-440-53J-D Description

Short technical summary and product information.

This Littelfuse Inc. CF2-B0-21-440-53J-D is a magnetic (hydraulic delay) circuit breaker designed for panel mounting. It offers a current rating of 4A and a voltage rating of 250V, with two poles for circuit protection.

 

The breaker features a rocker actuator and no illumination. It is approved by CCC, CSA, UL, and VDE agencies, indicating compliance with various safety standards. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1.

 

This circuit breaker is suitable for applications requiring reliable overcurrent protection with a hydraulic delay mechanism. Its panel mount design facilitates easy integration into control panels and equipment enclosures.

CF2-B0-21-440-53J-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CF2-B0-21-440-53J-D Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

CF2-B0-21-440-53J-D Compliance

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

CF2-B0-21-440-53J-D Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

CF2-B0-21-440-53J-D Features

  • 4A current rating, 250V voltage rating.
  • 2-pole magnetic (hydraulic delay) breaker.
  • Panel mount design with rocker actuator.
  • Approved by CCC, CSA, UL, VDE.
  • RoHS3 compliant, MSL 1.

CF2-B0-21-440-53J-D Applications

  • Provides reliable overcurrent protection.
  • Suitable for control panel integration.
  • Used in equipment requiring circuit safety.
  • Hydraulic delay for specific trip curves.
  • General purpose circuit interruption.

CF2-B0-21-440-53J-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CF2-B0-21-440-53J-D circuit breaker?

The current rating is 4A.

What is the voltage rating for this Littelfuse circuit breaker?

The voltage rating is 250V.

What type of circuit breaker is the CF2-B0-21-440-53J-D?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It has 2 poles.

What is the mounting type for the CF2-B0-21-440-53J-D?

The mounting type is Panel Mount.

Is the CF2-B0-21-440-53J-D RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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