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MU1-B-64-450-1-C21-B-C The Littelfuse Inc. MU1-B-64-450-1-C21-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 5A current rating and a 250V voltage rating.
Mfr Part #:

MU1-B-64-450-1-C21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-64-450-1-C21-B-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 5A current rating and a 250V voltage rating.
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MU1-B-64-450-1-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
Voltage Rating
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MU1-B-64-450-1-C21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-64-450-1-C21-B-C is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism and has a current rating of 5A and a voltage rating of 250V.

 

The breaker type is magnetic (hydraulic delay), and it features a push-to-reset actuator. It is designed for applications requiring reliable overcurrent protection.

 

Key specifications include a 5A current rating and a 250V voltage rating. The mounting type is panel mount, making it suitable for integration into various control panels and equipment.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are noted as low confidence without external verification.

MU1-B-64-450-1-C21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-64-450-1-C21-B-C Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-64-450-1-C21-B-C Compliance

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

MU1-B-64-450-1-C21-B-C Features

  • 5A current rating for overcurrent protection.
  • 250V voltage rating for AC applications.
  • Magnetic hydraulic delay breaker type.
  • Panel mount for easy integration.
  • Push to reset actuator.

MU1-B-64-450-1-C21-B-C Applications

  • Overcurrent protection for industrial control panels.
  • Suitable for power supply input protection.
  • Used in motor control circuits.
  • Ideal for telecommunications equipment.

MU1-B-64-450-1-C21-B-C FAQs

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

250V.

What is the current rating of this circuit breaker?

5A.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What type of actuator does it have?

Push to Reset.

What is the mounting type?

Panel Mount.

Does this circuit breaker have illumination?

No illumination.

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