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Introducing the Economical Single Phase Duplex Pump Control Panel (L922) by Hunan Leading Science & Technology Development Co., Ltd. This intelligent pump controller and pump motor starter has over 10 years of selling experience in Southeast Asia, Africa, and South America. Our product stands out in both domestic and overseas markets for its innovative design and reliable performance.
| General details | |
| Model | L922 |
| Main technical data | |
| Start type | Direct on line |
| Qty of controlled pump | Dublex pump |
| Rated input voltage | AC220V-240V Single phase 50HZ/ 60HZ |
| Rated output power | 0. 37kw-2.2kw (0.5hp-3hp) 3kw-4kw (4hp-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 |
| Application & Control characteristic |
Control and protect general pump Using water level sensor , float switch or pressure switch or level/pressure transmitter to control pump start and stop 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 |
| Control characteristic | Duplex pump control Build in function switch for water transfer,booster and sewage lifting(drainage) .Main pump/standby pump automatically alternate .Main pump/standby pump automatically switch against malfunction .Standby pump participate running if required |
| Other features | Pump last five faults record displaying Pump accumulative running time displaying Pump shaft anti-rust Present one dry contact point(BA port) LCD screen locked function under anto state Present RS485 port Present user remote monitor 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 310×220×120mm |
Discover the Dual Pump Control Instrument for Sewage Systems by Hunan Leading Science & Technology. This CE-certified controller ensures efficient management of dual sewage pumps.
Our company, Hunan Leading Science & Technology Development Co., Ltd., has been a leading provider of pump control and protection solutions since 2001. We offer a wide range of pump control panels and accessories tailored to meet the needs of pump users in various industries.
Our company consists of three major departments:
With our team's collaboration, we have developed unique technologies to enhance the pump industry. For more information, please visit our website.
Explore the market response to our Dual Pump Control Instrument for Sewage Systems by Hunan Leading Science & Technology. Gain insights from customer visits and feedback.
Company Name: Hunan Leading Science & Technology Development Co., Ltd.
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