MT1-B-34-620-1-B22-B-C This is a 20A, 250V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a push-pull actuator and panel mount design.
Mfr Part #:

MT1-B-34-620-1-B22-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This is a 20A, 250V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features a push-pull actuator and panel mount design.
Stock on Request

MT1-B-34-620-1-B22-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

MT1-B-34-620-1-B22-B-C Description

Short technical summary and product information.

The Littelfuse MT1-B-34-620-1-B22-B-C is a single-pole magnetic hydraulic delay circuit breaker rated for 20A at 250V. It utilizes a hydraulic-magnetic trip mechanism that provides precise overcurrent protection with minimal ambient temperature sensitivity. The breaker is actuated via a push-pull mechanism, allowing manual reset and trip indication.

 

The panel mount design simplifies installation in control panels, power distribution units, and industrial equipment. The non-illuminated actuator is suitable for applications where visual indication is not required. This breaker is approved to CCC, CSA, and UL1077 standards, ensuring compliance with international safety regulations.

 

Typical applications include power supply protection, motor circuits, and battery charging systems. The magnetic hydraulic delay characteristic offers time-delayed tripping for inrush currents while providing fast response to sustained overloads and short circuits. The 1-pole configuration is ideal for single-phase circuits.

MT1-B-34-620-1-B22-B-C Quick Information

Product Type: Circuit Breaker
Series: MT1-B
Canonical Name: Littelfuse MT1-B-34-620-1-B22-B-C Magnetic Circuit Breaker, 20A, 250V, 1 Pole
Subcategory: Magnetic Circuit Breaker

MT1-B-34-620-1-B22-B-C Compliance

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

MT1-B-34-620-1-B22-B-C Features

  • Magnetic hydraulic delay trip mechanism.
  • Rated for 20A continuous current.
  • Rated for 250V AC/DC operation.
  • 1-pole configuration for single phase.
  • Push-pull actuator for manual reset.

MT1-B-34-620-1-B22-B-C Applications

  • Overcurrent protection for industrial equipment.
  • Power distribution in control panels.
  • Motor circuit protection.
  • Protection in telecommunications power systems.
  • Battery charging circuit protection.

MT1-B-34-620-1-B22-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of this circuit breaker?

20A.

What is the voltage rating?

250V.

What type of breaker is this?

Magnetic hydraulic delay.

How many poles does it have?

1 pole.

What is the actuator type?

Push-pull.

What is the mounting type?

Panel mount.

What approvals does it have?

CCC, CSA, UL1077.

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MT1-B-34-620-2-A23-B-C
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This is a 20A, 250V magnetic hydraulic delay circuit breaker by Littelfuse. It features a single pole, panel mount design with a push-pull actuator.
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MT1-B-14-620-3-A22-B-C
MT1-B-14-620-3-A22-B-C
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The Littelfuse Inc. MT1-B-14-620-3-A22-B-C is a 1-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 20A current rating.
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MT1-B-94-620-1-C21-B-C
MT1-B-94-620-1-C21-B-C
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The Littelfuse Inc. MT1-B-94-620-1-C21-B-C is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 20A and 250V. It features a panel mount design and push-pull actuator.
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