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MT1-B-14-615-1-A21-B-D The Littelfuse Inc. MT1-B-14-615-1-A21-B-D is a 1-pole magnetic hydraulic delay circuit breaker. It features a 15A current rating and a 250V voltage rating.
Mfr Part #:

MT1-B-14-615-1-A21-B-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MT1-B-14-615-1-A21-B-D is a 1-pole magnetic hydraulic delay circuit breaker. It features a 15A current rating and a 250V voltage rating.
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MT1-B-14-615-1-A21-B-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
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MT1-B-14-615-1-A21-B-D Description

Short technical summary and product information.

This Littelfuse Inc. MT1-B-14-615-1-A21-B-D is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic (hydraulic delay) mechanism for reliable operation.

 

Key electrical specifications include a current rating of 15A and a voltage rating of 250V. The actuator type is push-pull, and it does not feature illumination.

 

This circuit breaker is approved by CCC, CSA, UL, and VDE. It is compliant with RoHS3 standards and has an MSL rating of 1 Unlimited. The REACH status is unaffected.

MT1-B-14-615-1-A21-B-D Quick Information

Product Type: Circuit Breaker
Series: MT1-B
Canonical Name: Littelfuse Inc. MT1-B-14-615-1-A21-B-D Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breaker

MT1-B-14-615-1-A21-B-D Compliance

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

MT1-B-14-615-1-A21-B-D Features

  • 15A current rating for protection.
  • 250V voltage rating for versatility.
  • Magnetic hydraulic delay breaker type.
  • Panel mountable design.
  • Push-pull actuator type.

MT1-B-14-615-1-A21-B-D Applications

  • Overcurrent protection for industrial control panels.
  • Panel mount breaker for power distribution systems.
  • Suitable for commercial equipment branch circuits.
  • Used in applications requiring hydraulic-magnetic delay.
  • Ideal for high inrush current load protection.

MT1-B-14-615-1-A21-B-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MT1-B-14-615-1-A21-B-D circuit breaker?

The current rating is 15A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

What type of breaker mechanism does the MT1-B-14-615-1-A21-B-D use?

It uses a magnetic (hydraulic delay) mechanism.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is the MT1-B-14-615-1-A21-B-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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