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MU1-B-32-410-3-A21-B-E The Littelfuse Inc. MU1-B-32-410-3-A21-B-E is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism.
Mfr Part #:

MU1-B-32-410-3-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-32-410-3-A21-B-E is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism.
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MU1-B-32-410-3-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
Voltage Rating
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MU1-B-32-410-3-A21-B-E Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MU1-B-32-410-3-A21-B-E, is a single-pole device rated for 1 Amp and 250 Volts. It utilizes a magnetic hydraulic delay for its tripping mechanism and features a push-to-reset actuator.

 

The breaker is designed for panel mounting, making it suitable for integration into various electrical enclosures and control panels. Its approval agencies include CCC, CSA, TUV, and UL, indicating compliance with multiple international standards.

 

Key electrical specifications include a 1A current rating and a 250V voltage rating. The breaker type is specifically magnetic with a hydraulic delay, offering a distinct protection characteristic compared to thermal breakers. It has no illumination and is RoHS3 compliant, with an MSL of 1 and REACH unaffected status.

MU1-B-32-410-3-A21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-32-410-3-A21-B-E Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

MU1-B-32-410-3-A21-B-E Compliance

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

MU1-B-32-410-3-A21-B-E Features

  • 1 Amp current rating.
  • 250 Volt voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Panel mount design.
  • Push to reset actuator.

MU1-B-32-410-3-A21-B-E Applications

  • Suitable for control panel integration.
  • Used in electrical protection circuits.
  • Designed for industrial equipment.
  • Applicable in power distribution systems.

MU1-B-32-410-3-A21-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 current rating?

1A.

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 mounting type is used?

Panel Mount.

What approvals does this circuit breaker have?

CCC, CSA, TUV, UL.

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