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Main image of 5 Pack 5-Pin Waterproof Relay Kit, 40/30 AMP 12V SPDT Switch with Harness, 12&16 AWG Tinned Copper Wires & 5x20A/30A/40A Inline Fuse for Automotive/Marine/Boat

Alt view image 2 of 7 - 5 Pack 5-Pin Waterproof Relay Kit, 40/30 AMP 12V SPDT Switch with Harness, 12&16 AWG Tinned Copper Wires & 5x20A/30A/40A Inline Fuse for Automotive/Marine/Boat

Alt view image 3 of 7 - 5 Pack 5-Pin Waterproof Relay Kit, 40/30 AMP 12V SPDT Switch with Harness, 12&16 AWG Tinned Copper Wires & 5x20A/30A/40A Inline Fuse for Automotive/Marine/Boat

Alt view image 4 of 7 - 5 Pack 5-Pin Waterproof Relay Kit, 40/30 AMP 12V SPDT Switch with Harness, 12&16 AWG Tinned Copper Wires & 5x20A/30A/40A Inline Fuse for Automotive/Marine/Boat

Alt view image 5 of 7 - 5 Pack 5-Pin Waterproof Relay Kit, 40/30 AMP 12V SPDT Switch with Harness, 12&16 AWG Tinned Copper Wires & 5x20A/30A/40A Inline Fuse for Automotive/Marine/Boat

Alt view image 6 of 7 - 5 Pack 5-Pin Waterproof Relay Kit, 40/30 AMP 12V SPDT Switch with Harness, 12&16 AWG Tinned Copper Wires & 5x20A/30A/40A Inline Fuse for Automotive/Marine/Boat

Alt view image 7 of 7 - 5 Pack 5-Pin Waterproof Relay Kit, 40/30 AMP 12V SPDT Switch with Harness, 12&16 AWG Tinned Copper Wires & 5x20A/30A/40A Inline Fuse for Automotive/Marine/Boat

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

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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

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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).