China Direct on Line Dol Booster Pump Control for Water Treatment L931-B, Find details about China Pump Control Box, Pump Control Panel from Direct on Line Dol Booster Pump Control for Water Treatment L931-B
General detail | |
Application | Control & protect booster pump only |
Model | L931-B |
Main technical data | |
Start type | Direct on line |
Qty of controlled pump | Single pump |
Rated input voltage | AC380V Three phase 50HZ/ 60HZ |
Rated output power | 0. 75kw-4kw (1 hp-5. 5hp) 5. 5kw-11kw (7.5hp-15hp) 15kw (20hp) |
Protection function | Over load protection Pump stalled protection Dry run protection Under voltage protection Over voltage protection Repeat start protection Phase unbalance protection Phase reversal protection Open phase protection |
Control characteristic | Connecting 0.5-4.5V pressure transmitter to replace pressure switch Pump start and stop according to different pressure value setting |
Other features | LCD screen displaying dynamic real time pressure value Pump start and stop pressure value can be easily setting on the LCD screen Pump accumulative running time recording Pump last five faults record displaying Present one dry contact point (BA port) Present RS485 port Present user remote monitor LCD screen locked function under Auto state Push button calibration |
Main installation data | |
Working temperature Working humidity Degree of protection Install position Unit dimension (L x W x H) | -25ºC-- +55ºC 20%--90%RH, no drips concreted IP54 Wall mounting 310 x 220x 120mm |