Mfr Part #:

MU1-B-64-490-1-A21-B-C

The Littelfuse Inc. MU1-B-64-490-1-A21-B-C is a 1-pole magnetic hydraulic delay circuit breaker. It features a 9A current rating and 250V voltage rating.

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MU1-B-64-490-1-A21-B-C Description

Short technical summary and product information.

The Littelfuse Inc. MU1-B-64-490-1-A21-B-C is a single-pole circuit breaker designed for panel mounting.

This breaker operates with a magnetic hydraulic delay mechanism, offering a current rating of 9A and a voltage rating of 250V. It features a push-to-reset actuator and does not include illumination.

The device is suitable for applications requiring reliable overcurrent protection. Its panel mount design facilitates integration into various electrical enclosures and systems.

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status, though these are noted as low confidence without verification.

MU1-B-64-490-1-A21-B-C Quick Information

Product Type: Circuit Breaker

Canonical Name: Littelfuse Inc. MU1-B-64-490-1-A21-B-C Magnetic Hydraulic Delay Circuit Breaker

Subcategory: Circuit Breaker

MU1-B-64-490-1-A21-B-C Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MU1-B-64-490-1-A21-B-C Features

9A current rating and 250V voltage rating.
Magnetic hydraulic delay breaker type.
Panel mount design for easy integration.
Push-to-reset actuator for operation.
Single pole configuration.

MU1-B-64-490-1-A21-B-C Applications

Used in industrial control panels for protection.
Ideal for power distribution unit protection.
Suitable for equipment with motor inrush currents.
Applied in panel board overcurrent protection.

MU1-B-64-490-1-A21-B-C 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?

9A.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is this?

Magnetic (hydraulic delay) single-pole breaker.

What is the actuator type?

Push to reset.

What is the mounting style?

Panel mount.

Does this circuit breaker have illumination?

No, it has no illumination.

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