CX2-B0-12-640-21A-11C The Littelfuse Inc. CX2-B0-12-640-21A-11C is a 2-pole magnetic circuit breaker rated for 40A and 440V. It features a panel mount design.
Mfr Part #:

CX2-B0-12-640-21A-11C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CX2-B0-12-640-21A-11C is a 2-pole magnetic circuit breaker rated for 40A and 440V. It features a panel mount design.
Stock on Request
$ Price Range: $0.99

CX2-B0-12-640-21A-11C 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
Storage Temperature
Tape & Reel
Voltage Rating

CX2-B0-12-640-21A-11C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number CX2-B0-12-640-21A-11C, is a 2-pole device designed for circuit protection.

 

It operates with a magnetic (hydraulic delay) tripping mechanism and has a current rating of 40A with a voltage rating of 440V. The breaker features a lever actuator and is designed for panel mounting.

 

Key specifications include a 40A current rating and a 440V voltage rating, making it suitable for various industrial and commercial applications requiring reliable overcurrent protection. The device is approved by CCC and UL1077 agencies.

 

The circuit breaker has a 2-pole configuration and a panel mount type, facilitating integration into control panels and electrical enclosures. It does not feature illumination.

CX2-B0-12-640-21A-11C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CX2-B0-12-640-21A-11C Circuit Breaker
Subcategory: Circuit Breaker

CX2-B0-12-640-21A-11C Compliance

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

CX2-B0-12-640-21A-11C Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

CX2-B0-12-640-21A-11C Features

  • 2-pole magnetic (hydraulic delay) circuit breaker.
  • Rated for 40A current and 440V voltage.
  • Designed for convenient panel mounting.
  • Features a lever actuator for operation.
  • CCC and UL1077 approved for safety.

CX2-B0-12-640-21A-11C Applications

  • Provides overcurrent protection in electrical systems.
  • Suitable for industrial control panels.
  • Used in power distribution units.
  • Applicable in commercial electrical installations.

CX2-B0-12-640-21A-11C FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the CX2-B0-12-640-21A-11C circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

The voltage rating is 440V.

How is the CX2-B0-12-640-21A-11C circuit breaker mounted?

It is designed for panel mounting.

What type of breaker is the CX2-B0-12-640-21A-11C?

It is a magnetic (hydraulic delay) breaker.

How many poles does this circuit breaker have?

It has 2 poles.

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The Littelfuse Inc. CX2-B0-14-640-22A-11C is a 2-pole magnetic circuit breaker. It features a 40A current rating and a 440V voltage rating.
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