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

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).

5 Pack 12V Relay with Built-in Diode & 12 AWG Harness Socket 30A/40A Heavy Duty SPDT 5 Pin Relay Switch Waterproof for Automotive Car Marine Boat
Heavy duty 12/16 AWG wiring harness: Red - 12AWG Pin 30, Yellow - 12AWG Pin 87a, Blue - 12AWG Pin 87, Black - 16AWG Pin 85, and White - 16AWG Pin 86
Application - Due to the excellent waterproof performance and large capacity of the marine fuse holder, it can be used under a wider application range, such as car, truck, automotive, marine, boat, etc.
Pre-wired Harness: 30-VDC (red), 85-Ground (black), 86-Trigger (white), 87-Output /O (blue), 87a-Output N/C (yellow)
Wire Design - The wires of these in line fuse holders 12V is tinned wires, which have better performance in corrosion and oxidation resistance compared with bare copper wires.
5 Pack 40/30 AMP 12V DC Waterproof Relay Kit with 20/30/40 Amp fuse holder
ATC/ATO Blade Fuse - 5 Packs12 AWG wire inline fuse holder 12V will come with additional ATC/ATO blade fuses for unexpected use, includes 5 x 20A, 5 x 30A and 5 x 40A fuses,
5 × Waterproof SPDT relays (5-Pin) + Pre-wired harnesses (130mm), 10 x Wire Heat Shrinkable Connectors and Screws set
Waterproof Design - The cover and silicone seal rings of the 12V inline fuse holder effectively enhances the waterproof performance of this waterproof fuse holder, makes it have better performance in marine use.