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OptiFuse MRCBP4PS75A Automotive Circuit Breaker

This automotive circuit breaker is a Type III manual reset device designed for 58V DC systems, featuring a mini blade, low profile, and thermoplastic body rated UL 94V-0. It provides reliable overcurrent protection with amperage options from 5A to 30A, and high interrupt ratings ranging from 100A to 300A depending on the amperage. Its color-coded cover indicates amperage rating, and its compact dimensions make it suitable for automotive and electronics applications, ensuring safety and durability in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:MRCBP4-PS-7.5A
Stock:575
Inv Date:06-05-2026
Price: Unit price: $16.74
Buy/RFQ:
Part No:MRCBP4-PS-7.5A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $16.74
Buy/RFQ:

OptiFuse MRCBP4PS75A Automotive Circuit Breaker Specifications:

  • Voltage: 58VDC
  • Amperage: 5A, 7.5A, 10A, 15A, 20A, 25A, 30A
  • Materials: Thermoplastic — UL Rated 94-V-0
  • Terminals: Tin plated Copper Alloy
  • Testing Standards: SAE J553 Type II, IEC 60934
  • Operating Temperature: -40°C to 85°C
  • Mechanical Dimensions: 0.50 inches (12.45 mm) length, 0.12 inches (3 mm) width
  • Body Part Numbers and Colors: MRCBP4-PS-5A Tan, MRCBP4-PS-7.5A Brown, MRCBP4-PS-10A Red, MRCBP4-PS-15A Blue, MRCBP4-PS-20A Yellow, MRCBP4-PS-25A White, MRCBP4-PS-30A Green
  • Interrupt Ratings: 100A at 58V for 5A-10A, 150A at 58V for 15A, 200A at 58V for 20A, 300A at 58V for 25A-30A
  • Temperature Range: -40°C to 85°C
  • Warning: Not suitable for water submersion or frequent overcurrent conditions

Buy the Optifuse Series Mini Blade Automotive Circuit Breaker: MRCBP4PS75A

Purchase the Optifuse automotive circuit breaker online today for dependable overcurrent protection in automotive and electronic systems. Designed for 58V DC applications, it features a manual reset, low-profile mini blade design, and reliable thermal plastic construction rated UL 94V-0. Available in multiple amperages from 5A to 30A with high interrupt ratings, this device ensures safety, durability, and easy installation in demanding environments. Protect your circuits with a trusted, compact circuit breaker that offers quick reset and enhanced performance.

Get Optifuse MRCBP4PS75A today—built for precision, automotive circuit protection, and long-lasting reliability.

Frequently Asked Questions

Where can I buy OptiFuse MRCBP4PS75A?

You can click on the BUY or RFQ button to purchase MRCBP4PS75A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part MRCBP4PS75A?

You can download the MRCBP4PS75A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of MRCBP4PS75A?

OptiFuse

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