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OptiFuse MRCB24H20A Automotive Circuit Breaker

This automotive circuit breaker is a Type III manual reset device designed for 24V DC systems, featuring a durable steel body and horizontal mounting with a bracket. It incorporates copper and zinc terminals, ensuring reliable connection in automotive electrical circuits. Suitable for overcurrent protection with a range of amperages up to 50A, it is built to withstand operating temperatures from -10°F to 150°F, making it ideal for automotive applications. Its robust construction and compliance with SAE J553 standards provide safe, long-lasting performance in vehicle electrical systems.

Authorized Distributors
Source:DigiKey
Part No:MRCB-24-H-20A
Stock:261
Inv Date:06-05-2026
Price: Unit price: $9.43
Buy/RFQ:
Part No:MRCB-24-H-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $9.43
Buy/RFQ:
Part No:MRCB-24-H-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $5.69
Buy/RFQ:
Part No:MRCB-24-H-20A
Stock:0
Inv Date:06-05-2026
Price: Unit price: $5.69
Buy/RFQ:

OptiFuse MRCB24H20A Automotive Circuit Breaker Specifications:

  • Type: Manual Reset Circuit Breaker
  • Voltage: Up to 24V
  • Amperage: 10A, 15A, 20A, 25A, 30A, 35A, 40A, 50A
  • Terminals: Battery - Copper Plate (0.58”), Auxiliary — Zinc Plate (0.66”)
  • Conforms to SAE J553
  • Body Material: Steel
  • Operating Temperature: -10°F to 150°F
  • Storage Temperature: -20°F to 200°F
  • Mechanical Dimensions: 139 ± 0.024 mm (5.47 inches) length, 67 ± 0.02 mm (2.64 inches) width
  • Connection Studs: Two threaded studs #10-32
  • Mounting: Horizontal with bracket
  • Current Rating and Time: 100% +1.5% > 30 min, 135% ± 1.5% < 30 min, 200% ± 1.5% < 1 min
  • Warning: Operation beyond maximum ratings can cause damage, arcing, or fire; intended for occasional overcurrent protection.

Buy the Optifuse MRCB-24-H – Reliable Circuit Breaker for Industrial Applications

Purchase the Optifuse MRCB-24-H automotive circuit breaker online today. Designed for 24V DC systems, it offers durable steel construction, reliable manual reset functionality, and high amperage ratings up to 50A. Its horizontal mounting with a bracket simplifies installation in automotive applications. Conforming to SAE J553 standards, it ensures safety and long-lasting performance under operational temperatures ranging from -10°F to 150°F. Ideal for protection against overcurrent conditions, this circuit breaker combines robustness with easy online purchasing convenience.

Get Optifuse MRCB-24-H today—built for precision and long-lasting durability in automotive electrical protection.

Frequently Asked Questions

Where can I buy OptiFuse MRCB24H20A?

You can click on the BUY or RFQ button to purchase MRCB24H20A from an authorized OptiFuse distributor.

How do I troubleshoot issues or seek technical support for part MRCB24H20A?

You can download the MRCB24H20A datasheet or visit the OptiFuse website for support.

Who is the manufacturer of MRCB24H20A?

OptiFuse

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