CT1-B2-12-640-121-MJ The Littelfuse Inc. CT1-B2-12-640-121-MJ is a single-pole, magnetic hydraulic delay circuit breaker rated for 40A and 480V. It features a panel mount design.
Mfr Part #:

CT1-B2-12-640-121-MJ

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CT1-B2-12-640-121-MJ is a single-pole, magnetic hydraulic delay circuit breaker rated for 40A and 480V. It features a panel mount design.
Stock on Request
$ Price Range: $0.99

CT1-B2-12-640-121-MJ 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

CT1-B2-12-640-121-MJ Description

Short technical summary and product information.

This Littelfuse Inc. CT1-B2-12-640-121-MJ is a single-pole circuit breaker designed for panel mounting. It offers a current rating of 40A and a voltage rating of 480V.

 

The breaker type is magnetic with a hydraulic delay, providing specific trip characteristics for protection.

 

It is approved by CCC, CSA, TUV, and UL489, indicating compliance with various safety standards. The RoHS status is RoHS3 Compliant, and the Moisture Sensitivity Level is MSL 1.

 

This component is suitable for applications requiring reliable overcurrent protection within its specified electrical ratings.

CT1-B2-12-640-121-MJ Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CT1-B2-12-640-121-MJ Circuit Breaker

CT1-B2-12-640-121-MJ Compliance

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

CT1-B2-12-640-121-MJ Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

CT1-B2-12-640-121-MJ Features

  • 40A current rating for protection.
  • 480V voltage rating capability.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole configuration.
  • Panel mount design.

CT1-B2-12-640-121-MJ Applications

  • Used for overcurrent protection.
  • Suitable for industrial control panels.
  • Applicable in power distribution systems.
  • Designed for equipment safety.

CT1-B2-12-640-121-MJ FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the CT1-B2-12-640-121-MJ circuit breaker?

The current rating is 40A.

What is the voltage rating for this circuit breaker?

The voltage rating is 480V.

What type of breaker is the CT1-B2-12-640-121-MJ?

It is a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

It has 1 pole.

What mounting type is used for this circuit breaker?

The mounting type is Panel Mount.

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The Littelfuse Inc. CA1-B2-12-640-321-MJ is a single-pole, magnetic hydraulic delay circuit breaker. It is designed for panel mounting and rated for 40A at 480V.
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