The MIDA Fuse for Reliable High-Current DC Power

When you’re running high-current DC equipment such as the power inverter in your RV, the trolling motor on your boat, or a heavy-duty winch, you need reliable circuit protection.
That’s where the OptiFuse MIDA fuse comes in. The MIDA (MIDI-style bolt-on) fuse is purpose-built for secure, vibration-resistant installations. Its bolt-on terminals ensure a rock-solid electrical connection, while its transparent body and color-coded rating make inspection and replacement quick and painless.
Why choose the MIDA?
- High-current handling: Available in ratings from 30A to 200A
- Rugged design: Compact footprint (≈ 42 mm × 12 mm × 8 mm) fits tight spaces
- Reliability under load: 1 kA interrupt rating for robust short-circuit defense at 58V DC and 2kA at 32V DC
Where you’ll find it:
- Automotive & off-road vehicles – protecting alternators, starter motors, and power distribution modules
- Recreational vehicles & marine systems, handling high-draw circuits in demanding conditions
- Industrial equipment; safeguarding battery-powered systems and custom builds
If your system demands steady, dependable protection in a compact package, the MIDA fuse delivers. To learn how to select the right fuse for your specific needs, see our Fuse Selection Guide for complete context
Sebastian Castañeda is a circuit protection specialist and technical writer with application-focused experience in technical support and custom protection design. He contributes practical, application-driven insights to the OptiFuse Blog.