Mfr Part #:

MW1-9-12-430-1-B21-B-M

The Littelfuse Inc. MW1-9-12-430-1-B21-B-M is a single-pole, magnetic (hydraulic delay) circuit breaker. It offers a 3A current rating and a 250V voltage rating.

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MW1-9-12-430-1-B21-B-M Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MW1-9-12-430-1-B21-B-M, is designed for circuit protection applications. It features a magnetic (hydraulic delay) breaker type with a 3A current rating and a 250V voltage rating.

The breaker is a single-pole unit with a push-to-reset actuator and panel mount, snap-in mounting type. It is approved by CCC, CSA, and UL1077 agencies. The component has no illumination.

Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status, though these are noted as low confidence from precomputed data. This circuit breaker is suitable for applications requiring reliable overcurrent protection.

MW1-9-12-430-1-B21-B-M Quick Information

Product Type: Circuit Breaker

Series: MW1

Canonical Name: Littelfuse Inc. MW1-9-12-430-1-B21-B-M Magnetic (Hydraulic Delay) Circuit Breaker

Subcategory: Magnetic (Hydraulic Delay)

MW1-9-12-430-1-B21-B-M Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MW1-9-12-430-1-B21-B-M Features

3A current rating for protection.
250V voltage rating.
Magnetic (hydraulic delay) breaker type.
Panel mount, snap-in installation.
CCC, CSA, UL1077 agency approvals.

MW1-9-12-430-1-B21-B-M Applications

Used for overcurrent protection.
Suitable for panel mounting.
Integrates into various systems.
Provides reliable circuit interruption.

MW1-9-12-430-1-B21-B-M FAQs

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

What is the voltage rating of this circuit breaker?

250V.

What is the current rating?

3A.

How many poles does it have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the actuator type?

Push to Reset.

What mounting type is available?

Panel Mount, Snap-In.

What approvals does it have?

CCC, CSA, UL1077.

MW1-9-12-430-1-B21-B-M Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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MW1-B-32-430-2-A21-B-C

Littelfuse Inc.

Hydraulic-magnetic circuit breaker rated 3A at 250V AC/DC. Single pole with push-to-reset actuation and snap-in panel mount.

View Part

MW1-9-12-430-1-B21-B-C