FASTSTORM 5 Pack 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch with Harness Heavy Duty 12&16 AWG Tinned Copper Wires with 5x20A/30A/40A Inline Fuse SPDT for Automotive Car Marine Boat

FASTSTORM 5 Pack 5-Pin Waterproof Relay Kit 40/30 AMP 12V Relay Switch with Harness Heavy Duty 12&16 AWG Tinned Copper Wires with 5x20A/30A/40A Inline Fuse SPDT for Automotive Car Marine Boat

• DUAL-RELAY VERSATILITY: Professional-grade 5 pin relay 12v for universal automotive applications. Perfect as fuel pump relay, cooling fan relay, or LED flasher relay. Heavy-duty SPDT design handles 40A NO / 30A NC loads (14VDC) with integrated flyback diode protection
• IP65 WATERPROOF SYSTEM & UNIVERSAL APPLICATION: Fully sealed automotive relay and waterproof fuse holder withstands harsh conditions. Ideal for marine/off-road use with military-grade 12AWG/16AWG wiring. It can be used under a wider application range, such as car, truck, automotive, marine, boat, etc. - perfect for cooling fan relay installations in trucks or fuel pump relay systems in boats
• COMPLETE CIRCUIT SOLUTION: Includes 5x inline fuse holder 12v kits with 20A/30A/40A blade fuses. Use 40 amp fuse holder for starters, 30 amp fuse holder for fans, or 20 amp fuse holder for accessories – essential automotive replacement fuse holders for safe power distribution
• HIGH-PERFORMANCE UPGRADE: Direct replacement for failing 12 volt relay systems. Optimized for electric fan relay kit installations, radiator controls, and high-current devices. Exceeds OEM specs with 560W switching capacity and -40°C to +125°C operating range
• PLUG-&-PLAY INSTALLATION: Color-coded wiring (Red=30 Battery+, Blue=87 (NO) for primary path Load, Yellow=87a (NC) for backup, Black=85 Ground, White=86 Switch) and standardized 12v fuse holder design ensure 5-minute installation. Fuse : Install between battery (+) and relay Pin 30. Selection: Match fuse rating to load (e.g., 30A fuse for 25A headlights).