Small 6V relay, SPDT

The relay

Wiring diagram, bottom view: the red dots are the pins for external connections. The green lines symbolize the internals of the relay: coil, contacts and anchor.

A small relay that can be connected to the ethernet board to switch something on or off.

Coil voltage: 6V
Contact from: SPDT (Single Pole Double Throw. This means that the relay has on contact that opens and one that closes. It's a changeover switch. See diagram)
Contact rating: 10A at 120V or 5A at 240V
Power consumtion: 80mA at 5V
Size: 21.8 x 17.1 x 15.3 mm (W x L x H),
[0.86 x 0.67 x 0.6 inch]

The relay is directly powered with the supply voltage that is provided to the tuxgraphics ethernet board. A resistor can be put in-front of the relay coil (in series) to adjust to different supply voltages.

5V-6V DC = connect relay directly
6V-9V DC = add 27 Ohm resistor

For even higher supply voltages you can add an even larger resistor.

Remember to insulate the connecting wires properly when you plan to switch voltages above 48V. It should be such that it is impossible to touch any high voltage wires even when the enclosing case is open.

There is nothing special about this relay. You may as well source a small 5V or 6V relay locally.

6V relay, SPDT + 27 Ohm resistor.

price: 2.70EUR, [convert_currency]

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