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MU1-B-34-617-1-A21-B-C The Littelfuse Inc. MU1-B-34-617-1-A21-B-C is a single-pole, panel mount circuit breaker. It features a push-to-reset actuator and a magnetic hydraulic delay.
Mfr Part #:

MU1-B-34-617-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-34-617-1-A21-B-C is a single-pole, panel mount circuit breaker. It features a push-to-reset actuator and a magnetic hydraulic delay.
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MU1-B-34-617-1-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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MU1-B-34-617-1-A21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MU1-B-34-617-1-A21-B-C, is designed for panel mounting. It offers a current rating of 17A and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, providing reliable protection. It has a single pole and a push-to-reset actuator for ease of use. The illumination is listed as none.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are noted as low confidence from the existing database. The mounting type is panel mount.

MU1-B-34-617-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1
Canonical Name: Littelfuse Inc. MU1-B-34-617-1-A21-B-C Circuit Breaker

MU1-B-34-617-1-A21-B-C Compliance

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

MU1-B-34-617-1-A21-B-C Features

  • 17A current rating for protection.
  • 250V voltage rating.
  • Magnetic breaker with hydraulic delay.
  • Panel mount design.
  • Push-to-reset actuator.

MU1-B-34-617-1-A21-B-C Applications

  • Protects branch circuits from overcurrent.
  • Suitable for industrial control panels.
  • Used in commercial electrical distribution.
  • Ideal for equipment requiring manual reset.

MU1-B-34-617-1-A21-B-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU1-B-34-617-1-A21-B-C?

The current rating is 17A.

What is the voltage rating of this circuit breaker?

The voltage rating is 250V.

What type of circuit breaker is this?

It is a magnetic circuit breaker with hydraulic delay.

How many poles does this circuit breaker have?

It has 1 pole.

What is the actuator type?

The actuator type is push to reset.

How is this circuit breaker mounted?

It is panel mounted.

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The Littelfuse Inc. MU1-B-32-617-1-B21-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a push-to-reset actuator.
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MU1-B-34-617-1-B21-B-C
MU1-B-34-617-1-B21-B-C
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The Littelfuse Inc. MU1-B-34-617-1-B21-B-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a push-to-reset actuator.
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MU1-B-32-617-1-A21-B-C
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The Littelfuse Inc. MU1-B-32-617-1-A21-B-C is a 1-pole circuit breaker with a 17A current rating and 250V voltage rating. It features a panel mount type and a magnetic hydraulic delay.
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