Size:36mm Fine Thread
SA float switch is a device used to sense the level of liquid within a tank. The switch may actuate a pump, an indicator, an alarm, or other device.
It can be easily converted from normally open to normally close by inverting the float.
Note: because the current that the switch can carry is much little(0.5A), you must use a relay or contactor when it is connected by a load, relay or contactor are not included here.
Due to product batch is different, cable color may be different, we will random shipment.
Click the link, any more details, please find the relevant model. ( http://126.96.36.199/watch_images/huhuidianqi.jpg )