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MOCB-12-N-40A OptiFuse MOCB-12-N-40A is a 40A, 12V Type II modified reset automotive circuit breaker. It features automatic reset, stud mounting with 10-32 stud terminals, and a 1500A interrupting rating.
Mfr Part #:

MOCB-12-N-40A

Available from 1 distributors
Mfr Name: OptiFuse
OptiFuse
OptiFuse MOCB-12-N-40A is a 40A, 12V Type II modified reset automotive circuit breaker. It features automatic reset, stud mounting with 10-32 stud terminals, and a 1500A interrupting rating.
✓ Total Stock: 10 pcs

MOCB-12-N-40A Available from 1 distributor

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✓ Non-Authorised
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10 pcs
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MOCB-12-N-40A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Automotive Grade
Current Rating (Amps)
Illumination
Lead Spacing
Lead Style
Mounting Type
Number of Poles
Operating Temperature
Storage Temperature
Termination Style
Voltage Rating
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MOCB-12-N-40A Description

Short technical summary and product information.

The MOCB-12-N-40A is an automotive circuit breaker from OptiFuse, part of the MOCB-12-N series of stud-mounted circuit breakers. It is rated for 40A continuous current at 12V DC, with a Type II modified automatic reset mechanism. This single-pole breaker provides an interrupting rating of 1500A at 12V DC, meeting SAE J553 standards.

 

The device operates over a temperature range of -40°C to 80°C and features stud mounting with #10-32 stud terminals. The body is made of plated steel, with copper battery terminal and zinc auxiliary terminal materials. It is designed for use in automotive electrical systems where overcurrent protection with automatic reset is required.

 

This circuit breaker is RoHS3 compliant with MSL 1 (unlimited) and REACH unaffected. It is suitable for battery protection, auxiliary circuit protection, and other 12V automotive applications.

MOCB-12-N-40A Quick Information

Product Type: Automotive Circuit Breaker
Series: MOCB-12-N
Canonical Name: OptiFuse MOCB-12-N-40A Automotive Circuit Breaker, 40A, 12V, Type II Modified Reset
Subcategory: Type II Modified Reset Circuit Breaker

MOCB-12-N-40A Compliance

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

MOCB-12-N-40A Features

  • Rated for 40A at 12V DC operation.
  • Type II modified automatic reset function.
  • 1500A interrupting rating at 12V DC.
  • Stud mounted with #10-32 terminals.
  • SAE J553 compliant for automotive use.

MOCB-12-N-40A Applications

  • Suitable for automotive battery protection circuits.
  • Used in auxiliary power distribution systems.
  • Ideal for 12V DC overcurrent protection.
  • Applicable in recreational vehicle electrical systems.

MOCB-12-N-40A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the MOCB-12-N-40A?

12V DC.

What is the operating temperature range of the MOCB-12-N-40A?

-40°C to 80°C.

Is the MOCB-12-N-40A RoHS compliant?

Yes, listed as RoHS3 compliant.

What is the current rating of the MOCB-12-N-40A?

40A.

What is the interrupting rating of the MOCB-12-N-40A?

1500A at 12V DC.

What type of reset does this circuit breaker have?

Automatic reset (Type II modified).

How is the MOCB-12-N-40A mounted?

Stud mounted with #10-32 stud terminals.

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