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OptiFuse MRCBP4PM30A Automotive Circuit Breaker

This is a Type III automotive circuit breaker with a manual reset feature, suitable for 28V DC systems. It has a plastic thermoplastic body rated UL 94-V-0, employs a mini blade design, and is available in multiple amperages including 5A, 7.5A, 10A, 15A, 20A, 25A, and 30A. The device features color-coded covers for amperage ratings, uses tin-plated copper alloy terminals for reliable electrical contact, and meets SAE J553 Type II testing standards. Designed for occasional overcurrent protection in automotive and industrial applications, it operates at -40°C to 85°C and provides high interrupt ratings from 100A to 300A depending on the amperage.

Authorized Distributors
Source:DigiKey
Part No:MRCBP4-PM-30A
Stock:1453
Inv Date:06-05-2026
Price: Unit price: $14.25
Buy/RFQ:
Part No:MRCBP4-PM-30A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $14.54
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Part No:MRCBP4-PM-30A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $8.6
Buy/RFQ:
Part No:MRCBP4-PM-30A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $8.6
Buy/RFQ:

OptiFuse MRCBP4PM30A Automotive Circuit Breaker Specifications:

  • Voltage: 28VDC
  • Amperage options: 5A, 7.5A, 10A, 15A, 20A, 25A, 30A
  • Materials: Thermoplastic UL Rated 94-V-0
  • Terminals: Tin plated Copper Alloy
  • Testing Standard: SAE J553 Type II
  • Operating Temperature: -40°C to 85°C
  • Interrupt Ratings: 100A at 28VDC (5A-10A), 150A (15A), 200A (20A), 300A (25A-30A)
  • Mechanical Dimensions: 0.80 inch (12.45 mm) height, 1.25 inch (35 mm) width, 0.96 inch (24.5 mm) length
  • Color Coded Cover for amperage: Tan, Brown, Red, Blue, Yellow, White, Green
  • Suitable for occasional overcurrent protection, not for continuous or repeated trips
  • Operation temperature range: -40°C to 85°C

Buy the Optifuse MRCBP4-PM – Reliable Circuit Breaker for Industrial Applications

Purchase the Optifuse automotive circuit breaker online today for dependable overcurrent protection in automotive and industrial systems. Featuring a manual reset, UL-rated thermoplastic body, and reliable copper terminals, this mini blade circuit breaker is designed to operate efficiently at 28V DC with amperage options up to 30A. Its color-coded covers allow quick amperage identification, while the high interrupt ratings ensure safe operation under overload conditions. Perfect for occasional use, it withstands temperatures from -40°C to 85°C, making it a durable addition to any electrical system.

Get Optifuse MRCBP4-PM today—built for automotive overcurrent protection and long-lasting durability.

Frequently Asked Questions

Where can I buy OptiFuse MRCBP4PM30A?

You can click on the BUY or RFQ button to purchase MRCBP4PM30A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part MRCBP4PM30A?

You can download the MRCBP4PM30A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of MRCBP4PM30A?

OptiFuse

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