rain detection water activated switch relay sensor relay kit 10A 12V

rain detection water activated switch relay sensor relay kit 10A 12V
Old price: €13.00
€8.70
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Item Description

A Rain sensor alarm circuit can be a very beneficial device for alerting when rainfall happens. The rain detector is very sensitive to detect rain, or moisture.

Total Dimensions:

- length -  55 mm

- width - 29 mm

- height - 20 mm

Sensor Dimensions: 20 mm x 29 mm 

Sensor can be cut at the line of holes and extended with wires and placed outdoor. 

 The switch have protection against reverse supply voltage.

The output is relay with:

- Normally open contact

- Normally closed contact 

Power supply 9 to 14 V DC

Power consumption in standby mode - 0 mA( don't have consumption), in active mode: 41mA. 

It is good for alarm and can work very long time in standby.

Relay: 15А/125V DC

            15A/24V DC or AC

            10A/250V AC

The sensitivity is adjusted by trimmer.

Principle of work:

When power is on, the switch is in standby mode.  With the trimmer can be set sensitivity of water detection. When water is detected on the sensor ( at the bottom side on the plate) the relay will close until sensor stay dry again. 

Device doesn't  have plastic box, only plate, as see on the picture.

 Package contents:

1. Rain Switch

2. Instruction for use and wiring diagram.