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MU1-B-34-610-1-A21-B-C Littelfuse MU1-B-34-610-1-A21-B-C is a 10A 250V single-pole magnetic (hydraulic delay) circuit breaker with push-to-reset actuator and panel mount.
Mfr Part #:

MU1-B-34-610-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse MU1-B-34-610-1-A21-B-C is a 10A 250V single-pole magnetic (hydraulic delay) circuit breaker with push-to-reset actuator and panel mount.
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MU1-B-34-610-1-A21-B-C 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
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MU1-B-34-610-1-A21-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-34-610-1-A21-B-C is a single-pole magnetic circuit breaker featuring hydraulic delay technology for reliable overcurrent protection. It is rated for 10A continuous current at 250V and uses a push-to-reset actuator. The breaker is designed for panel mount installation and is approved by CCC, CSA, and UL1077, making it suitable for industrial and commercial applications. Its magnetic-hydraulic design provides precise trip characteristics and is less sensitive to ambient temperature changes compared to thermal breakers.

MU1-B-34-610-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse MU1-B-34-610-1-A21-B-C 10A 250V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MU1-B-34-610-1-A21-B-C Compliance

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

MU1-B-34-610-1-A21-B-C Features

  • Rated for 10A continuous current.
  • Rated for 250V AC/DC operation.
  • Single-pole magnetic circuit breaker.
  • Push-to-reset actuator.
  • Panel mount installation.

MU1-B-34-610-1-A21-B-C Applications

  • Industrial control and automation panels.
  • Power distribution and protection systems.
  • Motor and machinery protection circuits.
  • Telecommunications equipment power protection.
  • HVAC and building management systems.

MU1-B-34-610-1-A21-B-C FAQs

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

10A.

What is the voltage rating?

250V.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1.

What is the actuator type?

Push to Reset.

What approvals does this circuit breaker have?

CCC, CSA, UL1077.

What is the mounting type?

Panel Mount.

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