| Customization: | Available |
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| Task: | Program |
| Structure: | Closed-Loop |
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| Application | Control & protect sewage / drainage pump only |
| Model | L921-S |
| Main technical data | |
| Start type | Direct on line |
| Qty of controlled pump | Single pump |
| Rated input voltage | AC220V-240V Single phase 50HZ/ 60HZ |
| Rated output power: | 0.37kw-2.2kw (0.5hp-3hp) 3-4kw(4-5.5hp) |
| Protection function | Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection Repeat start protection |
| Control characteristic | Connecting 0.5-4.5V level transmitter to replace float switch or level probe Pump start and stop according to different depth value setting |
| Other features | LCD screen displaying dynamic real time depth & pump running status Pump start and stop depth value can be easily setting on the LCD screen Pump shaft anti-rust Pump accumulative running time displaying Pump last five faults recording displaying Presenting one dry contact point (BA port) Present RS485 port Present user remote monitor LCD screen locked function under auto state |
| 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 220 x 120mm |
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