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MU1-B-20-250-2-A21-B-C The Littelfuse Inc. MU1-B-20-250-2-A21-B-C is a single-pole, panel mount circuit breaker. It features a magnetic (hydraulic delay) trip mechanism and a push-to-reset actuator.
Mfr Part #:

MU1-B-20-250-2-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-20-250-2-A21-B-C is a single-pole, panel mount circuit breaker. It features a magnetic (hydraulic delay) trip mechanism and a push-to-reset actuator.
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MU1-B-20-250-2-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-20-250-2-A21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-20-250-2-A21-B-C is a single-pole circuit breaker designed for panel mounting. It offers a current rating of 500mA and a voltage rating of 250V.

 

The breaker utilizes a magnetic (hydraulic delay) mechanism for protection and features a convenient push-to-reset actuator. It is approved by CCC, CSA, and UL1077, indicating compliance with various safety standards.

 

With its robust construction and reliable performance, this circuit breaker is suitable for a range of applications requiring overcurrent protection. The panel mount design ensures easy integration into control panels and equipment.

MU1-B-20-250-2-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-20-250-2-A21-B-C Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Circuit Breaker

MU1-B-20-250-2-A21-B-C Compliance

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

MU1-B-20-250-2-A21-B-C Features

  • 500mA current rating for protection.
  • 250V voltage rating for power systems.
  • Magnetic (hydraulic delay) trip mechanism.
  • Panel mount design for easy integration.
  • Push-to-reset actuator for operation.

MU1-B-20-250-2-A21-B-C Applications

  • Overcurrent protection for industrial control panels.
  • Protection for low-voltage power supplies.
  • Suitable for lighting control circuits.
  • Used in HVAC equipment motor protection.

MU1-B-20-250-2-A21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the MU1-B-20-250-2-A21-B-C circuit breaker?

250V.

What is the current rating?

500mA.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1.

What is the actuator type?

Push to Reset.

What mounting type does this breaker use?

Panel Mount.

What safety approvals does this circuit breaker have?

CCC, CSA, UL1077.

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