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MT1-B-34-450-1-B11-B-C Littelfuse MT1-B-34-450-1-B11-B-C is a single-pole magnetic circuit breaker rated for 5A at 250V. It features a push-pull actuator and panel mount design.
Mfr Part #:

MT1-B-34-450-1-B11-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MT1-B-34-450-1-B11-B-C is a single-pole magnetic circuit breaker rated for 5A at 250V. It features a push-pull actuator and panel mount design.
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MT1-B-34-450-1-B11-B-C 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
SVHC Present
Voltage Rating
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MT1-B-34-450-1-B11-B-C Description

Short technical summary and product information.

The Littelfuse MT1-B-34-450-1-B11-B-C is a single-pole magnetic circuit breaker designed for overcurrent protection in industrial and commercial applications. It is rated for 5A continuous current at 250V AC/DC, with a hydraulic-magnetic trip mechanism that provides precise, temperature-stable performance.

 

The breaker uses a magnetic (hydraulic delay) trip characteristic, offering reliable protection against short circuits and overloads. Its push-pull actuator allows manual ON/OFF control and trip indication. The panel mount design simplifies installation into standard cutouts.

 

This circuit breaker is approved by CCC, CSA, and UL1077, ensuring compliance with international safety standards. It is non-illuminated and intended for use in control panels, power distribution, and equipment protection.

MT1-B-34-450-1-B11-B-C Quick Information

Product Type: Circuit Breaker
Series: MT1-B
Canonical Name: Littelfuse MT1-B-34-450-1-B11-B-C Magnetic Circuit Breaker
Subcategory: Magnetic Circuit Breaker

MT1-B-34-450-1-B11-B-C Compliance

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

MT1-B-34-450-1-B11-B-C Features

  • Rated for 5A continuous current at 250V.
  • Hydraulic-magnetic trip mechanism for stable performance.
  • Single-pole design with push-pull actuator.
  • Panel mount installation for easy integration.
  • Approved by CCC, CSA, and UL1077.

MT1-B-34-450-1-B11-B-C Applications

  • Used in industrial control panels and machinery.
  • Protects power distribution circuits in equipment.
  • Suitable for commercial HVAC and lighting systems.
  • Provides overcurrent protection in battery chargers.

MT1-B-34-450-1-B11-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MT1-B-34-450-1-B11-B-C?

250V.

What is the current rating of this circuit breaker?

5A.

What type of breaker is the MT1-B-34-450-1-B11-B-C?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What is the mounting type for this circuit breaker?

Panel Mount.

What type of actuator does it use?

Push-Pull.

What approvals does the MT1-B-34-450-1-B11-B-C hold?

CCC, CSA, UL1077.

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