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MF1-B-34-620-3-DB2-2-C Littelfuse MF1-B-34-620-3-DB2-2-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 20A and 250V. It features a panel mount rocker actuator with red illumination and is approved by CCC, CSA, and UL1077.
Mfr Part #:

MF1-B-34-620-3-DB2-2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MF1-B-34-620-3-DB2-2-C is a 1-pole magnetic (hydraulic delay) circuit breaker rated at 20A and 250V. It features a panel mount rocker actuator with red illumination and is approved by CCC, CSA, and UL1077.
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MF1-B-34-620-3-DB2-2-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
Voltage Rating
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MF1-B-34-620-3-DB2-2-C Description

Short technical summary and product information.

This is a 1-pole magnetic circuit breaker from Littelfuse, utilizing hydraulic delay mechanism for overcurrent protection. Rated at 20A continuous current and 250V AC/DC, it provides reliable circuit interruption.

 

The breaker features a rocker actuator with red illumination for clear status indication. It is designed for panel mount installation, making it suitable for control panels and equipment enclosures.

 

The magnetic hydraulic delay design offers precise trip characteristics and is less sensitive to ambient temperature changes compared to thermal breakers. It holds approvals from CCC, CSA, and UL1077, ensuring compliance with international standards.

MF1-B-34-620-3-DB2-2-C Quick Information

Product Type: Circuit Breaker
Series: MF1-B
Canonical Name: Magnetic (Hydraulic Delay) Circuit Breaker, 20A, 250V, 1 Pole, Panel Mount, Rocker Actuator, Red Illumination
Subcategory: Magnetic Circuit Breaker

MF1-B-34-620-3-DB2-2-C Compliance

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

MF1-B-34-620-3-DB2-2-C Features

  • 20A current rating and 250V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Single pole with rocker actuator.
  • Red illuminated actuator for visual indication.
  • Approved by CCC, CSA, and UL1077.

MF1-B-34-620-3-DB2-2-C Applications

  • Used in industrial control panel protection.
  • Suitable for equipment branch circuit protection.
  • Ideal for applications requiring hydraulic delay.

MF1-B-34-620-3-DB2-2-C FAQs

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

250V.

What is the current rating?

20A.

How many poles does this breaker have?

1 pole.

What type of breaker is this?

Magnetic (Hydraulic Delay).

What is the mounting type?

Panel Mount.

What is the actuator type?

Rocker.

What approvals does this breaker hold?

CCC, CSA, UL1077.

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