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MB1-B-34-620-1-A21-B-C The Littelfuse Inc. MB1-B-34-620-1-A21-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a rocker actuator.
Mfr Part #:

MB1-B-34-620-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MB1-B-34-620-1-A21-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a rocker actuator.
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MB1-B-34-620-1-A21-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
Voltage Rating
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MB1-B-34-620-1-A21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MB1-B-34-620-1-A21-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, and it features a rocker actuator for operation. It is approved by CCC, CSA, and UL1077.

 

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. The component has no illumination.

 

This circuit breaker is suitable for applications requiring reliable overcurrent protection with specific tripping characteristics provided by its magnetic-hydraulic delay mechanism.

MB1-B-34-620-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MB1-B
Canonical Name: Littelfuse Inc. MB1-B-34-620-1-A21-B-C Circuit Breaker

MB1-B-34-620-1-A21-B-C Compliance

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

MB1-B-34-620-1-A21-B-C Features

  • 20A current rating and 250V voltage rating.
  • Magnetic breaker with hydraulic delay.
  • Panel mount design with rocker actuator.
  • CCC, CSA, and UL1077 approved.
  • RoHS3 compliant.

MB1-B-34-620-1-A21-B-C Applications

  • Provides overcurrent protection.
  • Suitable for control panel integration.
  • Used in systems requiring specific delay.
  • General industrial applications.

MB1-B-34-620-1-A21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MB1-B-34-620-1-A21-B-C circuit breaker?

The current rating is 20A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

What type of breaker is the MB1-B-34-620-1-A21-B-C?

It is a magnetic breaker with a hydraulic delay.

How is the MB1-B-34-620-1-A21-B-C mounted?

It is designed for panel mounting.

What is the actuator type for this circuit breaker?

The actuator type is a rocker.

What are the approval agencies for this circuit breaker?

It is approved by CCC, CSA, and UL1077.

Is this circuit breaker RoHS compliant?

Yes, it is RoHS3 Compliant.

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