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MU1-B-34-410-1-A21-B-E The Littelfuse MU1-B-34-410-1-A21-B-E is a magnetic hydraulic-delay circuit breaker rated at 1A and 250V. It uses a single-pole configuration.
Mfr Part #:

MU1-B-34-410-1-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse MU1-B-34-410-1-A21-B-E is a magnetic hydraulic-delay circuit breaker rated at 1A and 250V. It uses a single-pole configuration.
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MU1-B-34-410-1-A21-B-E Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
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Actuator Type
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Breaker Type
Current Rating
Current Rating (Amps)
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Mounting Type
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MU1-B-34-410-1-A21-B-E Description

Short technical summary and product information.

The Littelfuse MU1-B-34-410-1-A21-B-E is a single-pole magnetic hydraulic-delay circuit breaker. It is rated for 1A current and 250V voltage.

 

This breaker uses a magnetic trip element with hydraulic delay, providing time-delayed overcurrent protection. The single-pole design is suited for protecting individual circuits or branch lines.

 

The rated voltage of 250V makes it usable in a range of low-voltage electrical systems. With a 1A current rating, it is intended for overcurrent protection in circuits whose normal load current is 1A or less.

MU1-B-34-410-1-A21-B-E Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse MU1-B-34-410-1-A21-B-E Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MU1-B-34-410-1-A21-B-E Compliance

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

MU1-B-34-410-1-A21-B-E Features

  • Rated for 1A continuous current.
  • Rated for 250V supply voltage.
  • Magnetic hydraulic-delay breaker trips on overcurrent.
  • Single-pole design protects one circuit.

MU1-B-34-410-1-A21-B-E Applications

  • Protection for industrial control circuits.
  • Suitable for telecom power distribution.
  • Used in low-current power supplies.
  • Ideal for panel board branch circuits.
  • Overload protection for sensitive equipment.

MU1-B-34-410-1-A21-B-E FAQs

4 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MU1-B-34-410-1-A21-B-E?

The voltage rating is 250V.

What is the current rating of the MU1-B-34-410-1-A21-B-E?

The current rating is 1A.

What type of circuit breaker is the MU1-B-34-410-1-A21-B-E?

It is a magnetic circuit breaker with hydraulic delay.

How many poles does the MU1-B-34-410-1-A21-B-E have?

It has one pole, so it is a single-pole circuit breaker.

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