MF1-B-34-620-3-FB4-B-C The Littelfuse MF1-B-34-620-3-FB4-B-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a rocker actuator.
Mfr Part #:

MF1-B-34-620-3-FB4-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MF1-B-34-620-3-FB4-B-C is a single-pole, panel mount circuit breaker. It features a magnetic hydraulic delay mechanism and a rocker actuator.
Stock on Request

MF1-B-34-620-3-FB4-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
Illumination Voltage (Nominal)
Mounting Type
Number of Poles
Voltage Rating

MF1-B-34-620-3-FB4-B-C Description

Short technical summary and product information.

This Littelfuse MF1-B-34-620-3-FB4-B-C is a single-pole circuit breaker designed for panel mounting. It operates with a current rating of 20A and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, providing reliable protection. The actuator is a rocker type, and it includes red illumination operating at a nominal voltage of 9-16V. Approval agencies include CCC, CSA, and UL1077, indicating compliance with various safety standards.

 

Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status. The panel mount design ensures easy integration into various systems. This circuit breaker is suitable for applications requiring precise overcurrent protection with clear visual indication.

MF1-B-34-620-3-FB4-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MF1-B-34-620-3-FB4-B-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breaker

MF1-B-34-620-3-FB4-B-C Compliance

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

MF1-B-34-620-3-FB4-B-C Features

  • 20A current rating for protection.
  • 250V voltage rating.
  • Panel mount design.
  • Magnetic hydraulic delay type.
  • CCC, CSA, UL1077 approvals.

MF1-B-34-620-3-FB4-B-C Applications

  • Industrial control panels.
  • Power distribution systems.
  • Equipment protection circuits.
  • Instrumentation applications.

MF1-B-34-620-3-FB4-B-C FAQs

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

The current rating is 20A.

What is the voltage rating for the MF1-B-34-620-3-FB4-B-C?

The voltage rating is 250V.

How is this circuit breaker mounted?

This circuit breaker is designed for panel mounting.

What type of breaker mechanism does this unit use?

It uses a magnetic (hydraulic delay) breaker type.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

Does this circuit breaker have illumination?

Yes, it features red illumination operating at 9-16V.

Which approval agencies certify this circuit breaker?

It is approved by CCC, CSA, and UL1077.

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