Automotive Relay Circuit | 5 Pin 12v 40A | Diode Across Coil
- Changeover Relay Switch Unit
- Relay Type: 5 Pin
- Voltage: 12 Volt
- Amps: 40 Amp
- Diode Across the Coil
- This Automotive Relay Does Not Come with a Bracket
- FREE DELIVERY UK - see details below
Branded Cross Reference Guide - Manufacturer / Product Code
- Border Holdings / 8896
- Britpart / 8896
- CI / RL116
- Fister / HW 536
- JRP / RE20
- Lighten Point / REL23
- Mafco / 425-1180
- Pearl / PR09
- Quinton Hazell / RL116
- Woodauto / RLY1018
Changeover Relay Switch - How it works
Automotive relays are found in pretty much every vehicle on the road today.
Most often they are used to enable a low amperage circuit unit to switch on and off a higher amperage circuit. For example - a common application seems them used to turn on the headlights.
If you hooked up the headlights directly to the headlight switch you would exceed the amperage rating of the switch and risk causing significant damage such as; melting wires and risking starting an electrical fire.
Relay Circuits - Multiple Switching
Relays are also used to facilitate the switching of multiple components at the same time using a single output. A single output connected to multiple relays will allow you to open continuity and/or close continuity simultaneously.
* images for illustrative purposes only
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