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MU1-B-34-615-1-A21-B-E This Littelfuse MU1-B-34-615-1-A21-B-E is a 15A, 250V single-pole magnetic circuit breaker with hydraulic delay. It features push-to-reset actuation and panel mount installation.
Mfr Part #:

MU1-B-34-615-1-A21-B-E

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse MU1-B-34-615-1-A21-B-E is a 15A, 250V single-pole magnetic circuit breaker with hydraulic delay. It features push-to-reset actuation and panel mount installation.
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MU1-B-34-615-1-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
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MU1-B-34-615-1-A21-B-E Description

Short technical summary and product information.

This Littelfuse MU1-B-34-615-1-A21-B-E is a 15A, 250V single-pole magnetic (hydraulic delay) circuit breaker designed for panel mount applications. The push-to-reset actuator provides manual reset capability, and the hydraulic delay mechanism ensures time-delayed tripping for tolerance of harmless inrush currents. It is approved by CCC, CSA, TUV, and UL agencies, ensuring global compliance. The unit is illuminated, making it suitable for environments where no visual indication is needed. Its compact single-pole design simplifies wiring in control panels and distribution boards.

MU1-B-34-615-1-A21-B-E Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-34-615-1-A21-B-E Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-34-615-1-A21-B-E Compliance

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

MU1-B-34-615-1-A21-B-E Features

  • Rated for 15A at 250V AC.
  • Single-pole magnetic hydraulic delay breaker.
  • Push-to-reset actuator for manual reset.
  • Panel mount design for easy installation.
  • Approved by UL, CSA, TUV, CCC.

MU1-B-34-615-1-A21-B-E Applications

  • Protects circuits from overloads and short circuits.
  • Designed for panel-mount equipment protection.
  • Commonly used in control panels and machinery.

MU1-B-34-615-1-A21-B-E FAQs

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

15A

What is the voltage rating of this circuit breaker?

250V

How many poles does this circuit breaker have?

1 pole

What type of actuator does this circuit breaker use?

Push to Reset

What type of circuit breaker is this?

Magnetic (Hydraulic Delay)

What is the mounting type for this circuit breaker?

Panel Mount

Which approval agencies certify this circuit breaker?

CCC, CSA, TUV, UL

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MU1-B-34-615-1-C11-B-E
MU1-B-34-615-1-C11-B-E
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The Littelfuse Inc. MU1-B-34-615-1-C11-B-E is a 1-pole circuit breaker with a 15A current rating and 250V voltage rating. It features a Panel Mount type and a Magnetic (Hydraulic Delay) breaker mechanism.
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MU1-B-32-615-1-A21-B-E
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The Littelfuse MU1-B-32-615-1-A21-B-E is a 1-pole magnetic hydraulic delay circuit breaker. It features a panel mount design and a push-to-reset actuator.
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MU1-B-34-615-3-A21-B-E
MU1-B-34-615-3-A21-B-E
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The Littelfuse Inc. MU1-B-34-615-3-A21-B-E is a 15A, 250V circuit breaker. It features a panel mount design and a push-to-reset actuator.
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