What do the numbers mean on a 12 volt relay?
Numbers of a Relay Note that each pin is numbered. 85 and 86 are the coil pins while 30, 87, and 87a are the switch pins. 87 and 87a are the two contacts to which 30 will connect. If the coil is not activated, 30 will always be connected to 87a.
What are the 4 pins on a relay?
The difference between a 4 and 5 pin relay is that a 4 pin relay is used to control a single circuit, whereas a 5 pin relay switches power between two circuits. 4 pin relays use 2 pins (85 & 86) to control the coil and 2 pins (30 & 87) which switch power on a single circuit.
What does the diagram on a relay mean?
Relays are switches that open and close circuits electromechanically or electronically. Relays control one electrical circuit by opening and closing contacts in another circuit. As relay diagrams show, when a relay contact is normally open (NO), there is an open contact when the relay is not energized.
How do you use a 12V relay?
Connect the relay’s common terminal to your battery supply, which could be the same supply providing power to the coil. Finally, connect the equipment’s power lead to the normally open terminal of your relay. When you use the relay, the contact will then put the voltage on your pin.
What is 12V relay wiring diagram 5 pin?
12V Relay Wiring Diagram 5 Pin – Fitfathers | 12 V | Trucks – 12 Volt Relay Wiring Diagram Wiring Diagram includes numerous comprehensive illustrations that display the link of assorted items. It consists of directions and diagrams for different varieties of wiring techniques and other products like lights, windows, and so on.
What is the purpose of a 12 volt relay?
Used for accessories in a 12volt system. amperage. The relay allows full power to the component without needing a switch that can carry the amps. The switch only controls the
What is the disclaimer on the 12 volt website?
Disclaimer: * All information on this site ( the12volt.com ) is provided “as is” without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information.
What is the function of the relay on the switch?
The relay allows full power to the component without needing a switch that can carry the amps. The switch only controls the relay. The relay then provides a direct connection to the battery.