Specifications: This 12v relay box package includes 3pcs 4Pin 40A JD1912 Relays, 9pcs 5A, 10A x 2, 15A, 20A, 25A x 2, 30A x 2 ATC/ATO blade fuses. You can replace these fuses according to actual needs Pre-Wired: 30 Power input pin is 4mm² red wire, handling about 25~32Amp; 87 Normally open output pin is 2.5mm² yellow wire, 16~25Amp; 85 Control positive pin White and 86 relay Parallel black is 0.75mm² wire 3~6Amp; 86 Control negative pin is 1.5mm² black wire 10~16Amp; Fused out is 2.5mm² blue wire 16~25Amp. Refer to the wiring diagram for details, Please carefully check if the wire gauge meets your requirements before purchasing. We also offer a wireless version for DIY projects Dustproof: This fuse relay box includes a top cover and bottom cover. Can block most dust from entering the 12V relay box, and protect electrical components from being touched by wires, effectively improving usage safety. Note: No waterproof bottom, Don't completely immerse the product in water! Double protection: The relay box is equipped with 9 fuse slots, 3 of which are wired in series with the relays to provide double overcurrent protection for the circuit. Protecting your equipment from damage and ensuring electrical safety Application: This fuse relay box is suitable for allmost types of vehicles, including 4x4s, Jeep SUVs, UTVs, ATVs, RVs, pickups, trailers, campers, boats, etc. It provides a versatile solution for managing electrical systems in a variety of vehicles, ensuring reliable performance and electrical safety ! Attention: Fuse box dimensions 134mm x 70mm x 80mm (5.28″ x 2.76″ x 3.15″), Please ensure you have enough space to install the fuse box before purchasing Model FB93A Brand Name Weasch Part Number FB93A Coil Voltage 12 Volts (DC) Contact Type Normally Open Manufacturer Weasch Mounting Type Screw Mount Connector Type Crimp Current Rating 40 Amps Operation Mode Automatic Contact Material Copper Specification Met CE Included Components FB93A Warranty Description No Contact Current Rating 40 Amps Minimum Switching Voltage 12 Volts (DC)