Mfr Part #:

MU1-B-14-612-1-A21-B-N

The Littelfuse Inc. MU1-B-14-612-1-A21-B-N is a 1-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism.

Stock on Request

MU1-B-14-612-1-A21-B-N Description

Short technical summary and product information.

This Littelfuse Inc. MU1-B-14-612-1-A21-B-N is a single-pole circuit breaker with a current rating of 12A and a voltage rating of 250V. It utilizes a magnetic (hydraulic delay) tripping mechanism and is designed for panel mounting with a push-to-reset actuator.

The breaker is approved by CCC, TUV, and UL agencies. It has a moisture sensitivity level of 1 and is RoHS3 compliant. The illumination is none.

This component is suitable for applications requiring reliable overcurrent protection in a panel-mounted configuration. Its robust design and agency approvals make it a dependable choice for various industrial and commercial systems.

MU1-B-14-612-1-A21-B-N Quick Information

Product Type: Circuit Breaker

Series: MU1-B

Canonical Name: Littelfuse Inc. MU1-B-14-612-1-A21-B-N Circuit Breaker

MU1-B-14-612-1-A21-B-N Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MU1-B-14-612-1-A21-B-N Features

12A current rating for protection.
250V voltage rating capability.
Magnetic hydraulic delay mechanism.
Panel mountable design.
Push to reset actuator.

MU1-B-14-612-1-A21-B-N Applications

Provides overcurrent protection.
Suitable for panel installations.
Used in electrical distribution systems.
Offers controlled tripping response.

MU1-B-14-612-1-A21-B-N FAQs

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

What is the current rating of the MU1-B-14-612-1-A21-B-N circuit breaker?

The current rating is 12A.

What is the voltage rating for this circuit breaker?

The voltage rating is 250V.

What type of breaker mechanism does the MU1-B-14-612-1-A21-B-N 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 component?

The mounting type is Panel Mount.

Is the MU1-B-14-612-1-A21-B-N RoHS compliant?

Yes, it is RoHS3 Compliant.

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

The MSL is 1 Unlimited.

Category	Circuit Breakers
Manufacturer Name	Littelfuse Inc.
Actuator Type	Push to Reset
Approval Agency	CCC, TUV, UL
Breaker Type	Magnetic (Hydraulic Delay)
Current Rating	12A
Current Rating (Amps)	12A
Illumination	None
Mounting Type	Panel Mount
Number of Poles	1
Voltage Rating	250V