MU2-B-64-450-3-A21-B-E The Littelfuse Inc. MU2-B-64-450-3-A21-B-E is a 2-pole circuit breaker designed for panel mounting. It features a push-to-reset actuator and a magnetic hydraulic delay.
Mfr Part #:

MU2-B-64-450-3-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU2-B-64-450-3-A21-B-E is a 2-pole circuit breaker designed for panel mounting. It features a push-to-reset actuator and a magnetic hydraulic delay.
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MU2-B-64-450-3-A21-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
SVHC Present
Voltage Rating

MU2-B-64-450-3-A21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. MU2-B-64-450-3-A21-B-E is a 2-pole circuit breaker with a current rating of 5A and a voltage rating of 250V. It is designed for panel mounting and features a push-to-reset actuator with a magnetic hydraulic delay mechanism.

 

The breaker type is magnetic, indicating its operation relies on electromagnetic principles to interrupt current flow under fault conditions. The hydraulic delay feature allows for specific timing characteristics in response to overcurrent events.

 

Key specifications include a 5A current rating and a 250V voltage rating, making it suitable for various electrical protection applications. The panel mount design facilitates integration into control panels and equipment enclosures. Approval agencies include CCC, CSA, TUV, and UL, signifying compliance with relevant safety standards.

 

Additional attributes indicate RoHS3 compliance and an MSL 1 rating. The REACH status is unaffected. This circuit breaker is suitable for applications requiring reliable overcurrent protection with specific delay characteristics.

MU2-B-64-450-3-A21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU2
Canonical Name: Littelfuse Inc. MU2-B-64-450-3-A21-B-E Circuit Breaker
Subcategory: Circuit Breaker

MU2-B-64-450-3-A21-B-E Compliance

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

MU2-B-64-450-3-A21-B-E Features

  • 5A current rating for reliable protection.
  • 250V voltage rating suitable for various applications.
  • 2-pole configuration for circuit isolation.
  • Magnetic hydraulic delay for controlled tripping.
  • Panel mount design for easy integration.

MU2-B-64-450-3-A21-B-E Applications

  • Ideal for power distribution systems.
  • Used in industrial control panels.
  • Suitable for equipment protection.
  • Applicable in machinery safety circuits.

MU2-B-64-450-3-A21-B-E FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU2-B-64-450-3-A21-B-E circuit breaker?

The current rating is 5A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

How many poles does the MU2-B-64-450-3-A21-B-E have?

It has 2 poles.

What type of actuator does this circuit breaker use?

It uses a push-to-reset actuator.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is this circuit breaker RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

MU2-B-64-450-3-A21-B-E Alternate Parts

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MU2-B-64-450-3-B21-B-E
MU2-B-64-450-3-B21-B-E
Littelfuse Inc.
The Littelfuse Inc. MU2-B-64-450-3-B21-B-E is a 2-pole circuit breaker designed for panel mounting. It features a push-to-reset actuator and a magnetic hydraulic delay mechanism.
View Part
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