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
Samuel Kenny, Product Manager at OptiFuse, leads the development of advanced circuit protection products for automotive, marine, and industrial sectors. He designs custom solutions and shares expert fuse selection tips on the OptiFuse Blog.