321-A2P-50-B-CC The Mechanical Products 321-A2P-50-B-CC is a 50A, 12VDC Type I auto-reset circuit breaker designed for chassis mounting. It offers ignition protection and meets SAE J553 & J1171 standards.
Mfr Part #:

321-A2P-50-B-CC

Mfr Name: Mechanical Products
Mechanical Products
The Mechanical Products 321-A2P-50-B-CC is a 50A, 12VDC Type I auto-reset circuit breaker designed for chassis mounting. It offers ignition protection and meets SAE J553 & J1171 standards.
Stock on Request
$ Price Range: $0.99

321-A2P-50-B-CC Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Ingress Protection
Mounting Type
Number of Poles
Operating Temperature
Termination Style
Voltage
Voltage Rating

321-A2P-50-B-CC Description

Short technical summary and product information.

This Mechanical Products Series 32 circuit breaker, part number 321-A2P-50-B-CC, is rated for 50 Amperes and 12 VDC. It features an automatic reset mechanism, making it suitable for applications requiring continuous operation after a fault.

 

The breaker is designed for chassis mounting and is ignition protected, complying with SAE standards J553 and J1171. Its operating temperature range is -40 to +85°C, and it has an interrupt capacity of 2500A at 12 VDC. The terminations are #10-32 threads with a maximum torque of 24 in-lb.

 

Environmental compliance includes RoHS3 compliance and an MSL of 1. The ingress protection rating is IP66 when used with MS or PS covers.

321-A2P-50-B-CC Quick Information

Product Type: Circuit Breaker
Series: Series 32
Canonical Name: Mechanical Products Series 32 Type I Auto-Reset Circuit Breaker, 50A, 12VDC
Subcategory: Circuit Breaker

321-A2P-50-B-CC Compliance

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

321-A2P-50-B-CC Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

321-A2P-50-B-CC Features

  • 50 Ampere current rating for high-power circuits.
  • 12 VDC voltage rating for automotive applications.
  • Automatic reset for continuous operation.
  • Ignition protected per SAE J553 & J1171.
  • Chassis mount design for easy installation.

321-A2P-50-B-CC Applications

  • Ideal for automotive electrical systems.
  • Suitable for marine applications.
  • Used in heavy-duty equipment.
  • Protects circuits from overloads.

321-A2P-50-B-CC FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the 321-A2P-50-B-CC circuit breaker?

The current rating is 50 Amperes.

What is the operating voltage for the 321-A2P-50-B-CC?

The operating voltage is 12 VDC.

What type of reset does the 321-A2P-50-B-CC circuit breaker have?

It features an automatic reset.

Is the 321-A2P-50-B-CC ignition protected?

Yes, it is ignition protected.

What is the operating temperature range for this circuit breaker?

The operating temperature range is -40 to +85°C.

What is the RoHS status of the 321-A2P-50-B-CC?

It is RoHS3 Compliant.

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