Answer
Apr 28, 2026 - 09:59 AM
The primary difference is the current rating and cable capacity:
- Blue Sea 5005: Rated for fuses from 35A to 300A. It is designed for wire sizes up to 2/0 AWG.
- Blue Sea 5503 (Heavy Duty): Rated for fuses from 35A to 750A. It features a larger base and can accommodate cables up to 4/0 AWG.
