12 PACK 5 PIN SPDT Automotive Waterproof Relay Set Heavy Duty 40/30 AMP 12V DC Wiring Harness Set Relays w/ Interlocking Block Socket Holder + 16 Gauge Pigtails AWG Wire Harness

  Plz Note: 

☛ Installer of this product must have a good understanding of automotive electronics,systems, and procedures.

☛ The user/installer of this product assumes full responsibility in determining the proper mounting location while prioritizing the safety of all passengers in the vehicle.

☛ For your and others' safety,let professional technicians to install the equipment.

Specifications:

✔ NO 40A 12VDC

✔ NC 30A 12VDC

✔ Max Operating Current: 40A

✔ Coil Voltage: 12V DC

✔ Coil Current: 154 mA

✔ Shock Resistance Functional: 20G Min.

✔ Shock Resistance Destructive: 100G Min.

✔ Ambient Temperature: -40C-+85C(no condensation)

Wiring Details：

-85: Connected to the ground chassis. Serves as the common ground connection to activate and magnetize the internal coil.

-86: Connected to a positive input 12V DC input. This is where a switch connected to 12V DC input will be connected to on the relay. When power is sent to the relay through pin 86, the circuit is completed with pin 85 connected to a common ground, which activates and magnetizes the internal coil.

-87a: Normally closed contact, also known as NC. In the case which the internal coil is not activated or not magnetized, pin 87a is closed and connected to pin 30, which pin 30 can be connected to either a 12V DC positive input or to the ground chassis.

-87: Normally open contact, also known as NO. The connection between pin 87 and pin 30 is only made when the internal coil is activated or magnetized, which pin 30 can be connected to either a 12V DC positive input or to the ground chassis.

-30: Common contact which can be connected to a 12V DC power input or to the ground chassis depending on the desired application. Pin 30 is always connected with