MU1-B-22-618-1-A21-B-C The Littelfuse Inc. MU1-B-22-618-1-A21-B-C is a magnetic hydraulic delay circuit breaker. It features a panel mount design and a 18A current rating.
Mfr Part #:

MU1-B-22-618-1-A21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MU1-B-22-618-1-A21-B-C is a magnetic hydraulic delay circuit breaker. It features a panel mount design and a 18A current rating.
Stock on Request

MU1-B-22-618-1-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

MU1-B-22-618-1-A21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-22-618-1-A21-B-C is a single-pole circuit breaker designed for panel mounting. It operates with a magnetic hydraulic delay mechanism, providing reliable protection.

 

The breaker has a current rating of 18A and a voltage rating of 250V. The actuator type is push-to-reset, and it offers no illumination.

 

Key approvals include CCC, CSA, and UL1077, indicating compliance with various safety standards. The RoHS status is reported as RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1 Unlimited. REACH status is unaffected.

 

This circuit breaker is suitable for applications requiring robust overcurrent protection with a specific delay characteristic. Its panel mount design facilitates integration into various electrical enclosures and systems.

MU1-B-22-618-1-A21-B-C Quick Information

Product Type: Circuit Breaker
Series: MU1-B
Canonical Name: Littelfuse Inc. MU1-B-22-618-1-A21-B-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

MU1-B-22-618-1-A21-B-C Compliance

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

MU1-B-22-618-1-A21-B-C Features

  • 18A current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay type.
  • Panel mount design.
  • Push-to-reset actuator.

MU1-B-22-618-1-A21-B-C Applications

  • Used in electrical control panels.
  • Suitable for industrial equipment.
  • Protects power distribution circuits.
  • Integrates into custom enclosures.

MU1-B-22-618-1-A21-B-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MU1-B-22-618-1-A21-B-C circuit breaker?

The current rating is 18A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

What type of breaker mechanism does the MU1-B-22-618-1-A21-B-C use?

It uses a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

This circuit breaker has 1 pole.

What is the mounting type for this Littelfuse circuit breaker?

The mounting type is Panel Mount.

Is the MU1-B-22-618-1-A21-B-C RoHS compliant?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The Moisture Sensitivity Level is 1 Unlimited.

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Littelfuse MU1-B-34-618-1-A21-B-C is a 1-pole magnetic hydraulic delay circuit breaker rated at 18A and 250V. It features a panel mount design with a push-to-reset actuator.
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