Brand:LEADING SCIENCE & TECHNOLOGY
Model:H522
Intelligent Pump Control Box, Model H522 is applied for automatic liquid level control / pressure control and effective protection for duoble pumps of with AC380V, 50hz, three phase output power 0.75 to 15kw (1hp-20hp), direct start, including stainless steel or cast iron
submersible pump, centrifugal pump, sewage pump etc.
Features:1.Built In Function Switch To Apply Different Application
Applied For Water Supply By Liquid Level Control
Applied For Water Supply By Pressure Control
Applied For Water Drainage By Liquid Level Control
2.Double Pumps Control
Main Pump / Standby Pump Automatically Alternate
Main Pump / Standby Pump Automatically Switch Against Malfunctions
Standby Pump Participate Running If Required
3.Computer Main Board And Module For Industrial & Civil Pump
4.Automatic Sops The Pump In The Case Of Water Shortage, Protecting It From Dry Running
Without Installing Float Switch Or Liquid Probe In The Well
5.Auto / Manual Switch
6.Pump Stalled Protection
7.Transient Surge Protection
8.Over Current Protection
9.Under Voltage Protection
10.Light Alarm Signals Of Malfunction
11.Digital Voltmeter/Ampere Meter Real-Time Display
12.Push Button Calibration
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
Main Technical Specifications:1.Rated Input Voltage: AC220V Single Phase
2.Rated Frequency: 50Hz-60Hz (at option)
3.Rated Output Power of Motor: 0.37-2.2KW / 3-4KW
4.Dry Running Trip Response Time: 6sec
5.Over / Under Voltage Trip Response Time: 5sec
6.Pump Stalled Trip Response Time: 0.5sec
7.Over Current Trip Response Time: 5sec-5min
8.Recovery Time of Over / Under Voltage: 5min
9.Recovery Time of Over Current: 30min
10.Recovery Time of Dry Running: 30min
11.Over / Under Voltage Trip: ±15%
12.Dry Running Trip: 70%
13.Pump Stalled Trip: 200%
Dimension:
276(L) x 125(W) x 370(H) mm
