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12V 40 Amp Relay
Price: $3.89
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Availability: In Stock
Item #: 330-073 -

Relays are widely used in electrical applications where one circuit is to be energized or turned on by the presence of a voltage, provided by another circuit. Anywhere a switch can go in a circuit, a relay can replace it, (as long as there is a triggering voltage available to activate it). Common use of relays is to activate a light-duty motor, lights, or a larger solenoid. If you're using these in your bot, you will still need some sort of RC switch to activate the relay. Dimensions: 1.125" x...