SK-3A control type
1. When the internal pressure of pipe is higher than the setting pressure disconnect the load power supply (pump), connect the load power supply (pump) when below the setting pressure
2. And independent set of adjusting screw, used to connect and disconnect the pressure
3. 2 terminal, 2 silver alloy long life contact
4. transparent cover design , easily to see the contact situation and conveniently to operate.
Workshop Production Line