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MB1-B-34-620-1-A11-B-C The Littelfuse Inc. MB1-B-34-620-1-A11-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 250V voltage rating.
Mfr Part #:

MB1-B-34-620-1-A11-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MB1-B-34-620-1-A11-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 250V voltage rating.
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MB1-B-34-620-1-A11-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-A11-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MB1-B-34-620-1-A11-B-C is a single-pole circuit breaker designed for panel mounting. It operates with a 20A current rating and a maximum voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, suitable for applications requiring specific trip characteristics. The actuator type is a rocker, and it does not feature illumination.

 

Compliance information indicates RoHS3 compliance and a Moisture Sensitivity Level (MSL) of 1. REACH status is unaffected. Approval agencies include CCC, CSA, and UL1077.

 

This component is ideal for protection circuits where reliable and specific tripping behavior is necessary.

MB1-B-34-620-1-A11-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MB1-B-34-620-1-A11-B-C Circuit Breaker

MB1-B-34-620-1-A11-B-C Compliance

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

MB1-B-34-620-1-A11-B-C Features

  • 20A current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Panel mount design.
  • RoHS3 compliant.

MB1-B-34-620-1-A11-B-C Applications

  • Protects electrical circuits from overcurrent faults.
  • Suitable for industrial control panel mounting.
  • Used in power distribution and automation systems.
  • Provides reliable circuit interruption for equipment.
  • Ideal for commercial and industrial applications.

MB1-B-34-620-1-A11-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 of this circuit breaker?

250V.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What is the actuator type?

Rocker.

What is the mounting type?

Panel mount.

Is this circuit breaker illuminated?

No, it is non-illuminated.

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