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MT1-M-14-620-1-B21-B-J This is a 20A, 250V single-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It features a push-pull actuator and panel mount design.
Mfr Part #:

MT1-M-14-620-1-B21-B-J

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This is a 20A, 250V single-pole magnetic hydraulic delay circuit breaker from Littelfuse Inc. It features a push-pull actuator and panel mount design.
Stock on Request

MT1-M-14-620-1-B21-B-J 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
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MT1-M-14-620-1-B21-B-J Description

Short technical summary and product information.

The MT1-M-14-620-1-B21-B-J is a circuit breaker from Littelfuse Inc. It is a single-pole magnetic hydraulic delay type, rated for 20A continuous current and 250V voltage. The breaker uses a push-pull actuator for manual reset and is designed for panel mount installation.

 

This circuit breaker provides overcurrent protection with a hydraulic-magnetic trip mechanism, offering predictable performance across a wide temperature range. It is approved by CCC, TUV, and UL489A, making it suitable for various industrial and commercial applications.

 

The product has no illumination feature. The mounting type is panel mount, which allows for secure installation in equipment enclosures. Additional specifications such as operating temperature and physical dimensions are not available in the current data.

MT1-M-14-620-1-B21-B-J Quick Information

Product Type: Circuit Breaker
Series: MT1
Canonical Name: Littelfuse MT1-M-14-620-1-B21-B-J 20A 250V 1-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breaker

MT1-M-14-620-1-B21-B-J Compliance

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

MT1-M-14-620-1-B21-B-J Features

  • Rated for 20A continuous current.
  • Rated for 250V operation.
  • Single-pole magnetic hydraulic delay breaker.
  • Push-pull actuator for manual reset.
  • Panel mount design for easy installation.

MT1-M-14-620-1-B21-B-J Applications

  • Ideal for overcurrent protection in industrial control panels.
  • Used in power distribution and protection circuits.
  • Suitable for equipment requiring UL489A certification.
  • Applicable for motor control and panel board protection.
  • Can be used in commercial and industrial machinery.

MT1-M-14-620-1-B21-B-J FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MT1-M-14-620-1-B21-B-J?

20A.

What is the voltage rating of the MT1-M-14-620-1-B21-B-J?

250V.

What type of circuit breaker is the MT1-M-14-620-1-B21-B-J?

Magnetic (Hydraulic Delay) circuit breaker.

How many poles does the MT1-M-14-620-1-B21-B-J have?

1 pole.

What actuator type does the MT1-M-14-620-1-B21-B-J use?

Push-Pull actuator.

What is the mounting type of the MT1-M-14-620-1-B21-B-J?

Panel Mount.

What approvals does the MT1-M-14-620-1-B21-B-J have?

CCC, TUV, and UL489A.

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