Mfr Part #:

MU1-B-34-250-1-C21-B-C

The Littelfuse MU1-B-34-250-1-C21-B-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 250V voltage rating.

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MU1-B-34-250-1-C21-B-C Description

Short technical summary and product information.

This Littelfuse MU1-B-34-250-1-C21-B-C is a single-pole circuit breaker with a current rating of 500mA and a voltage rating of 250V. It utilizes a magnetic hydraulic delay for its tripping mechanism and is designed for panel mounting.

The breaker type is magnetic with a hydraulic delay, offering reliable protection. The actuator type is push to reset, providing a clear indication and method for resetting the breaker. It has been approved by CCC, CSA, and UL1077 agencies, indicating compliance with relevant safety standards.

This component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1. The REACH status is unaffected. Its mounting type is panel mount, making it suitable for integration into various electrical enclosures and systems.

MU1-B-34-250-1-C21-B-C Quick Information

Product Type: Circuit Breaker

Series: MU1

Canonical Name: Littelfuse Inc. MU1-B-34-250-1-C21-B-C Magnetic Hydraulic Delay Circuit Breaker

Subcategory: Circuit Breaker

MU1-B-34-250-1-C21-B-C Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MU1-B-34-250-1-C21-B-C Features

Panel mount magnetic hydraulic delay circuit breaker.
Rated for 250V AC and 500mA current.
Single pole with push-to-reset actuator.
Approved by CCC, CSA, and UL1077.
RoHS3 compliant and MSL 1.

MU1-B-34-250-1-C21-B-C Applications

Used in industrial control panels.
Suitable for overcurrent protection in power supplies.
Ideal for equipment requiring manual reset.
Applicable in power distribution panels.
Provides hydraulic delay for inrush tolerance.

MU1-B-34-250-1-C21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.

What is the current rating?

500mA

What is the voltage rating?

250 V

What type of breaker is it?

Magnetic (Hydraulic Delay)

How many poles does it have?

What is the actuator type?

Push to Reset

Is the breaker illuminated?

What approvals does it have?

CCC, CSA, UL1077

MU1-B-34-250-1-C21-B-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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MU1-B-14-250-1-A11-B-C

Littelfuse Inc.

The Littelfuse Inc. MU1-B-14-250-1-A11-B-C is a 1-pole, magnetic (hydraulic delay) circuit breaker. It features a 500mA current rating and a 250V voltage rating.

View Part

Category	Circuit Breakers
Manufacturer Name	Littelfuse Inc.
Actuator Type	Push to Reset
Approval Agency	CCC, CSA, UL1077
Breaker Type	Magnetic (Hydraulic Delay)
Current Rating	500mA
Current Rating (Amps)	500mA
Illumination	None
Mounting Type	Panel Mount
Number of Poles	1
Voltage Rating	250 V