MU2-B-34-485-1-A21-B-E The Littelfuse Inc. MU2-B-34-485-1-A21-B-E is a 2-pole magnetic circuit breaker with an 8.5A current rating and 250V voltage rating. It features a panel mount design and a push-to-reset actuator.
Mfr Part #:

MU2-B-34-485-1-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU2-B-34-485-1-A21-B-E is a 2-pole magnetic circuit breaker with an 8.5A current rating and 250V voltage rating. It features a panel mount design and a push-to-reset actuator.
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MU2-B-34-485-1-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
Voltage Rating

MU2-B-34-485-1-A21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. MU2-B-34-485-1-A21-B-E is a 2-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism and has a current rating of 8.5A and a voltage rating of 250V.

 

The breaker features a push-to-reset actuator and is approved by CCC, CSA, TUV, and UL agencies. It is suitable for applications requiring reliable overcurrent protection.

 

Key electrical specifications include an 8.5A current rating and a 250V voltage rating. The breaker type is magnetic with a hydraulic delay, and it has two poles. The mounting type is panel mount, and the actuator is a push-to-reset button. Illumination is not included.

 

Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status. These compliance details are based on available data and may require verification.

MU2-B-34-485-1-A21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU2
Canonical Name: Littelfuse Inc. MU2-B-34-485-1-A21-B-E Circuit Breaker
Subcategory: Circuit Breaker

MU2-B-34-485-1-A21-B-E Compliance

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

MU2-B-34-485-1-A21-B-E Features

  • 8.5A current rating for protection.
  • 250V voltage rating for power circuits.
  • Magnetic hydraulic delay breaker type.
  • Panel mount design for easy integration.
  • Push to reset actuator for operation.

MU2-B-34-485-1-A21-B-E Applications

  • General overcurrent protection.
  • Industrial control panels.
  • Power distribution systems.
  • Equipment safety circuits.

MU2-B-34-485-1-A21-B-E FAQs

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

250V AC/DC.

What is the mounting type of this circuit breaker?

Panel mount.

What is the current rating of the MU2-B-34-485-1-A21-B-E?

8.5A.

What type of circuit breaker is this?

Magnetic (hydraulic delay) type.

How many poles does this circuit breaker have?

2 poles.

What actuator type does this circuit breaker use?

Push-to-reset actuator.

What approvals does this circuit breaker hold?

CCC, CSA, TUV, and UL.

MU2-B-34-485-1-A21-B-E Alternate Parts

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MU2-B-94-485-1-A21-B-E
Littelfuse Inc.
The Littelfuse Inc. MU2-B-94-485-1-A21-B-E is a 2-pole circuit breaker. It features a panel mount design and a magnetic hydraulic delay mechanism.
View Part
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