5V DC SPDT 12A 5-Pin General Purpose Relay
Brand: GenericRelays & Contactors
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Prices updated: 13 Oct 2026
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About this product
A 5-pin SPDT general-purpose relay with a 5 V DC coil and a 12 A contact rating, sold as an auto universal relay. It switches a higher-power load from a low-power control circuit, such as a microcontroller output driven through a transistor.
Specifications
- Coil voltage
- 5 V DC
- Contact configuration
- SPDT
- Contact rating
- 12 A
- Number of pins
- 5
Frequently asked questions
Can I drive this relay directly from an Arduino pin?
It is not recommended. Drive the coil through a transistor or relay driver, and place a flyback diode across the coil to protect the switching circuit.
What do the five pins represent?
Two pins connect to the coil, and the remaining three are the common (COM), normally open (NO) and normally closed (NC) contacts of the SPDT switch.
