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MU1-B-30-210-3-A21-B-C 1-pole magnetic hydraulic circuit breaker rated 100mA at 250V. Panel mount with push-to-reset actuator, approved by CCC, CSA, and UL1077.
Mfr Part #:

MU1-B-30-210-3-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
1-pole magnetic hydraulic circuit breaker rated 100mA at 250V. Panel mount with push-to-reset actuator, approved by CCC, CSA, and UL1077.
Stock on Request

MU1-B-30-210-3-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-30-210-3-A21-B-C Description

Short technical summary and product information.

The Littelfuse MU1-B-30-210-3-A21-B-C is a single-pole magnetic hydraulic circuit breaker designed for overcurrent protection in electrical systems. It features a push-to-reset actuator and panel mount installation. Rated at 100mA current and 250V voltage, this breaker provides reliable protection with hydraulic delay characteristics, making it suitable for applications where transient inrush currents are present. The breaker is approved by CCC, CSA, and UL1077, ensuring compliance with international safety standards. The panel mount design allows for easy integration into control panels and equipment enclosures. This unit is non-illuminated and uses a magnetic trip mechanism for precise and repeatable performance.

MU1-B-30-210-3-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse MU1-B Series Magnetic Hydraulic Circuit Breaker, 1 Pole, 100mA, 250V, Panel Mount, Push-to-Reset
Subcategory: Magnetic Hydraulic Circuit Breaker

MU1-B-30-210-3-A21-B-C Compliance

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

MU1-B-30-210-3-A21-B-C Features

  • Single pole magnetic hydraulic circuit breaker.
  • Rated 100mA at 250V AC/DC.
  • Panel mount with push-to-reset actuator.
  • Approved by CCC, CSA, UL1077.
  • Non-illuminated design.

MU1-B-30-210-3-A21-B-C Applications

  • Overcurrent protection for industrial controls.
  • Protection for power supply circuits.
  • Use in HVAC equipment and appliances.
  • Suitable for panel-based protection systems.

MU1-B-30-210-3-A21-B-C FAQs

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

100mA

What is the voltage rating?

250V

How many poles does this circuit breaker have?

1 pole

What type of actuator does it use?

Push to Reset

What is the mounting type?

Panel Mount

What approvals does this circuit breaker have?

CCC, CSA, UL1077

What is the breaker type?

Magnetic (Hydraulic Delay)

MU1-B-30-210-3-A21-B-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
View All Alternate Parts
MU1-T-30-210-1-A21-B-C
MU1-T-30-210-1-A21-B-C
Littelfuse Inc.
The Littelfuse MU1-T-30-210-1-A21-B-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) tripping mechanism and a push-to-reset actuator.
View Part
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