Pressure Switch For Water Pump
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SK-3B Standard type SK-3A control type SK-3C high temperature power type SK-3AC power type SK-3D seal type SK-4 seal power type XSK-3 special control type
SK-3B standard 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.An independent set of adjusting screw, used to connect and disconnect the pressure.
3.2 terminal,2 silver alloy long life contact
SK-3A control type
1. all the function of SK-3A
transparent cover design , easily to see the contact situation and conveniently to operate.
SK-3D seal type
1. all the functions of SK-3B
2. the sealing structure make sure the protection grade at IP44
special design about the cable connector is suitable for the severe environment
SK-3AC power 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. An independent set of adjusting screw, used to connect and disconnect the pressure.
3 2terminal,4 silver alloy long life contact
The load is 110V 1/3HP, 220V 3/4