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MU1-B-34-450-1-C21-B-E The Littelfuse Inc. MU1-B-34-450-1-C21-B-E is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a push-to-reset actuator.
Mfr Part #:

MU1-B-34-450-1-C21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-34-450-1-C21-B-E 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-34-450-1-C21-B-E 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-34-450-1-C21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MU1-B-34-450-1-C21-B-E, is designed for circuit protection applications. It has a current rating of 5A and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, offering reliable protection. It is a single-pole unit with a push-to-reset actuator, suitable for panel mounting.

 

Key specifications include a 5A current rating and 250V voltage rating. It is approved by CCC, CSA, TUV, and UL. The RoHS status is compliant, and the Moisture Sensitivity Level is 1.

MU1-B-34-450-1-C21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-34-450-1-C21-B-E Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-34-450-1-C21-B-E Compliance

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

MU1-B-34-450-1-C21-B-E Features

  • 5A current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Panel mount design.
  • Push to reset actuator.

MU1-B-34-450-1-C21-B-E Applications

  • Industrial control panel circuit protection.
  • Commercial equipment overcurrent protection.
  • Applications requiring time-delay tripping.
  • Global equipment with multi-agency approvals.

MU1-B-34-450-1-C21-B-E FAQs

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

250V

What is the mounting type?

Panel Mount

What is the current rating?

5A

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

What approvals does it have?

CCC, CSA, TUV, UL

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MU1-B-34-450-1-A21-B-E
MU1-B-34-450-1-A21-B-E
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This is a 1-pole magnetic (hydraulic delay) circuit breaker rated for 5A at 250V. It features a push-to-reset actuator and panel mount design.
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MU1-B-24-450-1-A11-B-E
MU1-B-24-450-1-A11-B-E
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Magnetic (Hydraulic Delay) circuit breaker rated 5A at 250V, single pole, panel mount with push-to-reset actuator.
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