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MU1-B-10-430-1-A21-B-C Single-pole magnetic circuit breaker rated 3A at 250V. Features hydraulic delay, panel mount, and push-to-reset actuation.
Mfr Part #:

MU1-B-10-430-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic circuit breaker rated 3A at 250V. Features hydraulic delay, panel mount, and push-to-reset actuation.
Stock on Request

MU1-B-10-430-1-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
Voltage Rating
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MU1-B-10-430-1-A21-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-10-430-1-A21-B-C is a single-pole magnetic circuit breaker with hydraulic delay. It is rated for 3A continuous current at 250V AC/DC. The breaker uses a magnetic (hydraulic delay) mechanism, providing reliable overcurrent protection with time-delay characteristics. It is designed for panel mount installation and features a push-to-reset actuator. The non-illuminated design is suitable for applications where visual indication is not required. The breaker is approved by CCC, CSA, and UL1077, ensuring compliance with international safety standards. This component is commonly used in industrial control panels, power distribution systems, and equipment requiring branch circuit protection. The panel mount design allows for easy integration into enclosures, with the push-to-reset button for manual reset after tripping.

MU1-B-10-430-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Magnetic (Hydraulic Delay) Circuit Breaker, 1 Pole, 3A, 250V, Panel Mount, Push to Reset
Subcategory: Magnetic Circuit Breaker

MU1-B-10-430-1-A21-B-C Compliance

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

MU1-B-10-430-1-A21-B-C Features

  • Rated 3A at 250V continuous current.
  • Single-pole magnetic circuit breaker.
  • Hydraulic delay for time-delayed protection.
  • Panel mount design with push-to-reset actuation.
  • Approved by CCC, CSA, and UL1077.

MU1-B-10-430-1-A21-B-C Applications

  • Used in industrial control panels.
  • Provides branch circuit protection.
  • Suitable for power distribution equipment.
  • Ideal for equipment requiring manual reset.

MU1-B-10-430-1-A21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage?

250V.

What is the mounting type?

Panel Mount.

What is the current rating?

3A.

What is the breaker type?

Magnetic (Hydraulic Delay).

How many poles does it have?

1 pole.

What is the actuator type?

Push to Reset.

What approvals does it have?

CCC, CSA, UL1077.

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