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MU1-B-34-615-1-B21-B-C This is a 15A, 250V, 1-pole magnetic (hydraulic delay) circuit breaker by Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
Mfr Part #:

MU1-B-34-615-1-B21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This is a 15A, 250V, 1-pole magnetic (hydraulic delay) circuit breaker by Littelfuse Inc. It features a push-to-reset actuator and panel mount design.
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MU1-B-34-615-1-B21-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
Voltage Rating
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MU1-B-34-615-1-B21-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-34-615-1-B21-B-C is a single-pole magnetic circuit breaker with hydraulic delay. It is rated for 15A at 250V. The breaker uses a push-to-reset actuator mechanism, making it suitable for applications requiring manual reset after a fault. It is designed for panel mount installation. The breaker is approved to CCC, CSA, and UL1077 standards. It is not illuminated. The component is RoHS3 compliant and has a moisture sensitivity level of 1 (unlimited).

MU1-B-34-615-1-B21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Circuit Breaker, Magnetic (Hydraulic Delay), 15A, 250V, 1 Pole, Push to Reset, Panel Mount
Subcategory: Magnetic Circuit Breaker

MU1-B-34-615-1-B21-B-C Compliance

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

MU1-B-34-615-1-B21-B-C Features

  • Rated for 15A at 250V operation.
  • Single-pole magnetic hydraulic delay design.
  • Push-to-reset actuator for manual reset.
  • Panel mount installation.
  • Approved to CCC, CSA, and UL1077.

MU1-B-34-615-1-B21-B-C Applications

  • Used in industrial control panels.
  • Suitable for motor protection circuits.
  • Ideal for power distribution systems.
  • Applicable in equipment requiring manual reset.

MU1-B-34-615-1-B21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MU1-B-34-615-1-B21-B-C?

250V.

What is the current rating?

15A.

What type of circuit breaker is it?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the actuator type?

Push to Reset.

What mounting type does it use?

Panel Mount.

What approvals does it have?

CCC, CSA, UL1077.

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