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MU2-B-34-450-1-C21-B-C Magnetic (hydraulic delay) circuit breaker from Littelfuse, rated 5A/250V, 2-pole, push-to-reset actuator, panel mount. Approved by CCC, CSA, UL1077.
Mfr Part #:

MU2-B-34-450-1-C21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Magnetic (hydraulic delay) circuit breaker from Littelfuse, rated 5A/250V, 2-pole, push-to-reset actuator, panel mount. Approved by CCC, CSA, UL1077.
Stock on Request

MU2-B-34-450-1-C21-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
SVHC Present
Voltage Rating
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MU2-B-34-450-1-C21-B-C Description

Short technical summary and product information.

The Littelfuse MU2-B-34-450-1-C21-B-C is a 2-pole magnetic circuit breaker featuring hydraulic delay for precise overcurrent protection. Rated for 5A at 250V, it offers reliable switching and protection in a compact panel-mount package.

 

The push-to-reset actuator provides manual reset after tripping. The magnetic/hydraulic delay design ensures accurate trip characteristics without nuisance tripping from temperature variations. This breaker is suitable for a variety of industrial and commercial applications.

 

Mounted via panel mount, it occupies minimal space. The unit is certified by CCC, CSA, and UL1077, meeting international safety standards.

MU2-B-34-450-1-C21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU2-B
Canonical Name: Littelfuse MU2-B-34-450-1-C21-B-C Magnetic (Hydraulic Delay) Circuit Breaker, 2-Pole, 5A, 250V, Panel Mount, Push-to-Reset
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MU2-B-34-450-1-C21-B-C Compliance

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

MU2-B-34-450-1-C21-B-C Features

  • Rated for 5A at 250V continuous operation.
  • 2-pole magnetic hydraulic delay design.
  • Panel mount with push-to-reset actuator.
  • Certified by CCC, CSA, and UL1077.
  • Non-illuminated push-to-reset actuator.

MU2-B-34-450-1-C21-B-C Applications

  • Branch circuit protection in industrial panels.
  • Overcurrent protection in motor control centers.
  • Power supply output circuit protection.
  • Control circuit protection in automation systems.
  • Lighting panel protection for commercial buildings.

MU2-B-34-450-1-C21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MU2-B-34-450-1-C21-B-C?

The voltage rating is 250V.

What is the mounting type?

The circuit breaker features panel mount.

What is the current rating?

5A.

How many poles does this breaker have?

2 poles.

What type of circuit breaker is this?

It is a magnetic (hydraulic delay) circuit breaker.

What is the actuator type?

Push to reset.

Which approvals does this circuit breaker have?

CCC, CSA, and UL1077.

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