Mfr Part #:

30128-40

The Littelfuse Inc. 30128-40 is a circuit breaker rated for 40A and 12V. It features an automatic reset and chassis mount.

Stock on Request

30128-40 Description

Short technical summary and product information.

The Littelfuse Inc. 30128-40 is a single-pole circuit breaker designed for chassis mounting. It offers a current rating of 40A and a voltage rating of 12V.

This circuit breaker features an automatic reset mechanism, meaning it will attempt to reset itself after tripping. It does not have any illumination.

The component is specified with RoHS3 compliance, MSL 1 Unlimited, and REACH Unaffected status, though these compliance details are unverified.

Its primary function is to protect electrical circuits from overcurrent conditions, making it suitable for various applications where reliable circuit protection is needed.

30128-40 Quick Information

Product Type: Circuit Breaker

Series: 30128

Canonical Name: Littelfuse Inc. 30128-40 Circuit Breaker

30128-40 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

30128-40 Features

40A current rating for circuit protection.
12V operating voltage.
Single pole design.
Automatic reset functionality.
Chassis mount type.

30128-40 Applications

Ideal for automotive circuits.
Suitable for low-voltage DC systems.
Used in power distribution units.
Protects sensitive electronic equipment.

30128-40 FAQs

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

What is the operating voltage of the 30128-40?

12V DC.

What is the current rating of the 30128-40?

40A.

How many poles does this circuit breaker have?

1 pole.

What type of actuator does the 30128-40 use?

Automatic reset.

Does the 30128-40 have illumination?

No, it has no illumination.

What is the mounting type of the 30128-40?

Chassis mount.

30128-40 Alternate Parts

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

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30056-40

Littelfuse Inc.

The Littelfuse Inc. 30056-40 is a 1-pole circuit breaker rated for 40A and 12V. It features a chassis mount and automatic reset.

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30055-40