Single Phase Direct Start Single Pump Control Bo

Intelligent Pump Control Box, Model M521 is applied for automatic liquid level control, pressure control and protection for submersible pump / centrifugal pump / pipeline pump / sewage pump etc with AC220V (50hz) / AC230V (60hz), single phase, 0.37-2.2kw (0.5hp-3hp), 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. Auto / Manual Switch 4. 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 5. Over Current (Over Load) Protection 6. Under Voltage Protection 7. Over Voltage Protection 8. Pump Motor Stalled Protection 9. Digital Voltmeter & Ampere Meter Real-Time Display 10.Light Alarm Signals Of Malfunction 11.Push Button Calibration 12.Light Signals Prompt For Uncompleted Parameter Calibrating 13.Starts And Stops The Pump In Accordance With The Different Liquid Level or Pressure Setting 14.Present Liquid Level Probe 15.User Friendly Connection Diagrams 16.Integrated Design, Small Size, Easy To Install 17.Reserved Space For Installing Internal Start Capacitor Of Pump MotorMain Technical Specifications:1. Rated Input Voltage: AC220V / AC230V / AC240V Single Phase (at option) 2. Rated Frequency: 50Hz / 60Hz (at option) 3. Rated Output power of pump motor: 0.37-2.2kw(0.5hp-3hp) (at option)4. Over / Under Voltage Trip: ±15% 5. Dry Running Trip: 70% 6. Pump Stalled Trip: 200% 7. Over Current Trip Response Time: 5sec-5min 8. Pump Stalled Trip Response Time: 0.5sec9. Dry Running Trip Response Time: 6sec10.Over / Under Voltage Trip Response Time: 5sec11.Recovery Time Of Over Current Protection: 30min12.Recovery Time Of Dry Running Protection:30min13.Recovery Time Of Under / Over Voltage Protection: 5minDimension:160(L) x 82(W) x 228(H) mm