Three Phase, Direct Start, Single Pump Control Box

Intelligent Pump Control Box, Model H531 is applied for automatic liquid level control, pressure control and protection for submersible pump / centrifugal pump / pipeline pump / sewage pump etc with AC380v (50hz), three phase, 0.75kw-18.5kw (1hp-25hp), direct start type Features: 1.Built In Pressure Control Or Liquid Level Control Switch: Applied For Water Supply By Liquid Level Control Through Float Switch Or Liquid Probe Applied For Water Supply By Pressure Control Through Pressure Switch And Pressure Tank Applied For Drainage By Liquid Level Control Through Float Switch Or Liquid Probe 2.Computer Main Board And Module For Industrial & Civil Pump 3.Automatic Stops The Pump In The Case Of Water Shortage, Protecting It From Dry Running Without Installing Float Switch Or Liquid Probe In The Well 4.Auto / Manual Switch 5.Transient Surge Protection 6.Over Current (Over Load) Protection 7.Open Phase Protection 8.Under Voltage Protection 9.Over Voltage Protection 10.Pump Motor Stalled Protection 11.Digital Voltmeter/Ampere Meter Real-Time Display 12.Light Alarm Signals Of Malfunction 13.Push Button Calibration 14.Light Signals Prompt For Uncompleted Parameter Calibrating 15.Starts And Stops The Pump In Accordance With The Different Liquid Level 16.Present Liquid-Level Probe 17.User-Friendly Connection Diagrams 18.Speically designed for large output power pump motorMain Technical Specifications: 1.Rated Input Voltage: AC380V/AC415V Three Phase2.Rated Frequency: 50Hz-60Hz (at option)3.Rated Output Power of Motor: 0.75-4KW / 5.5-11KW / 15KW / 18.5KW(at option) 4.Open Phase Trip Response Time: sec 5.Dry Running Trip Response Time: 6sec 6.Over / Under Voltage Trip Response Time: 5sec 7.Pump Stalled Trip Response Time: 0.5sec 8.Over Current Trip Response Time: 5sec-5min 9.Recovery Time of Over / Under Voltage: 5min 10.Recovery Time of Over Current: 30min 11.Recovery Time of Dry Running: 30min 12.Over / Under Voltage Trip: ±15% 13.Dry Running Trip: 70% 14.Pump Stalled Trip: 200%Dimension:276(L) x 125(W) x 370(H) mm