MU1-B-34-517-1-A21-B-C The Littelfuse Inc. MU1-B-34-517-1-A21-B-C is a magnetic hydraulic delay circuit breaker. It features a 1.75A current rating and a 250V voltage rating.
Mfr Part #:

MU1-B-34-517-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-34-517-1-A21-B-C is a magnetic hydraulic delay circuit breaker. It features a 1.75A current rating and a 250V voltage rating.
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MU1-B-34-517-1-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

MU1-B-34-517-1-A21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-34-517-1-A21-B-C is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism, providing reliable overcurrent protection.

 

The breaker has a current rating of 1.75A and a voltage rating of 250V. The actuator type is push-to-reset, offering a straightforward operation for resetting the breaker after a trip.

 

Key specifications include a 1.75A current rating, 250V voltage rating, and a panel mount type. The breaker is designed for applications requiring dependable circuit protection with a clear indication of its operational status. Its construction is suitable for integration into various electrical systems where precise current limiting is essential.

 

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status, though these are noted with low confidence due to unverified data. The approval agencies listed are CCC, CSA, and UL1077, suggesting broad applicability and adherence to safety standards.

MU1-B-34-517-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MU1-B-34-517-1-A21-B-C Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-34-517-1-A21-B-C Compliance

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

MU1-B-34-517-1-A21-B-C Features

  • 1.75A current rating for protection.
  • 250V voltage rating for AC/DC circuits.
  • Magnetic hydraulic delay mechanism.
  • Panel mount design for easy integration.
  • Push-to-reset actuator for operation.

MU1-B-34-517-1-A21-B-C Applications

  • Suitable for general circuit protection.
  • Used in control panel assemblies.
  • Applicable in industrial equipment.
  • Ideal for power distribution units.

MU1-B-34-517-1-A21-B-C FAQs

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

1.75A.

What is the voltage rating?

250V.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the actuator type?

Push to Reset.

Does it have illumination?

No, it has no illumination.

What is the mounting type?

Panel Mount.

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