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MT1-B-22-440-1-A21-B-E The Littelfuse Inc. MT1-B-22-440-1-A21-B-E is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 4A current rating and a 250V voltage rating.
Mfr Part #:

MT1-B-22-440-1-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MT1-B-22-440-1-A21-B-E is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 4A current rating and a 250V voltage rating.
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MT1-B-22-440-1-A21-B-E 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-22-440-1-A21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. MT1-B-22-440-1-A21-B-E is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic (hydraulic delay) mechanism, offering a current rating of 4A and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, suitable for applications requiring specific trip characteristics. It features a push-pull actuator and no illumination.

 

Key electrical specifications include a 4A current rating and a 250V voltage rating. The mounting type is panel mount, making it easy to integrate into various enclosures and systems.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are noted as low confidence.

MT1-B-22-440-1-A21-B-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MT1-B-22-440-1-A21-B-E Circuit Breaker
Subcategory: Circuit Breaker

MT1-B-22-440-1-A21-B-E Compliance

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

MT1-B-22-440-1-A21-B-E Features

  • Magnetic (hydraulic delay) breaker type.
  • 4A current rating.
  • 250V voltage rating.
  • Single pole configuration.
  • Panel mount design.

MT1-B-22-440-1-A21-B-E Applications

  • Overcurrent protection for industrial control panels
  • Branch circuit protection in power distribution
  • Motor protection for pumps and compressors
  • Panel mount circuit breaker for equipment
  • Hydraulic-magnetic breaker for DC applications

MT1-B-22-440-1-A21-B-E FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the MT1-B-22-440-1-A21-B-E?

4A.

What is the voltage rating?

250V.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What actuator type does it use?

Push-Pull.

What is the mounting type?

Panel Mount.

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