| Task: | Program |
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| Structure: | Closed-Loop |
| Mathematical Model: | Non-Linear |
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Shipping Cost:
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about shipping cost and estimated delivery time. |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Introducing the Economical Single Phase Duplex Pump Control Panel (Model L922) by Hunan Leading Science & Technology Development Co., Ltd. Our company has over 10 years of experience in manufacturing intelligent pump controllers and pump motor starters. Our products are highly sought after in Southeast Asia, Africa, and South America, both domestically and internationally, thanks to their innovative design and superior performance.
Stay tuned for more details on the specifications of our cutting-edge pump control panel.
| 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 |
Introducing the CE-certified Duplex Pump Controller by Hunan Leading Science & Technology. This AC220V Dual Pump Control Panel is ideal for sewage pump control systems.
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 for various applications:
Our team consists of three major departments:
The Sales Team gathers information and technical requirements from pump manufacturers, distributors, and users, which is then passed on to the R&D Team for evaluation, research, development, and testing of pump controllers. Once the controller is ready, the Production Team takes over for manufacturing.
Our product lineup includes:
For more information, please visit our website.
At our factory, we work closely as a team to develop unique control and protection technologies for the pump industry.
Our Pump Control Panel is designed to provide efficient and reliable control for pumps and motors. Here are some key features:
Trust in our expertise and quality products to meet your pump control needs. Contact us for more information.
Suppliers with verified business licenses
Audited Supplier 
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