The JL Audio XMD-MCB-50 is a genuine marine-grade, waterproof circuit breaker designed to protect high-current 12V power wiring in harsh saltwater environments. It features a manual-reset, high-visibility switch so you can restore power without replacing a blown fuse.

• Amperage rating: 50 A
• Protection type: Waterproof, external ignition-protected circuit breaker (manual reset)
• Ingress rating: IP67 (submersible up to 1 m)
• Ignition protection: SAE J1171 External Ignition Protected (suitable for marine engine compartments & fuel tank spaces)
• Connections: Corrosion-resistant stainless steel 1/4-28 threaded studs
• OEM references: XMD-MCB-50 / 010-13683-00
• UPC: 699440909464

Installation note: Choose breaker size based on your wiring and total system current draw, and install according to marine electrical best practices. Confirm ratings, specification and fitment before ordering.