At present, we have introduced advanced production equipment, strengthened quality inspections, and ensured that the exported 6 PCS Duplex GSM Based Pump Controller, Direct Online Start Type Intelligent Pump Controller, Single Pump Water Pump Controller, Single Phase Submersible Control Panel For Flats' are 100% qualified. We pay more attention to internal quality, and design for customers according to their different needs to meet the needs of customers. Our company has formed a complete quality supervision system, fully achieving the quality management commitment of 'zero defect of products'.
Holidays House Intelligent Pump Controller
| Product Details: Place of Origin:China Brand Name:LEADING Certification:CE Model Number:S521 Payment & Shipping Terms: Minimum Order Quantity:1 set Price:Negotiable PackagingDetails:Papar carton Delivery Time:30days upon order confirmed Payment Terms:L/C, T/T, Western Union , Paypal Supply Ability:2000pcs per month |
Detailed Product Description
Packing Method: | Paper Carton | Carton Dimensions: | 34*36*53cm |
PCS Per CTN: | 14PCS | Input Voltage: | AC220V |
Output Power Range: | 0.5-3HP | Phase: | Single Phase |
Frequency: | 50Hz | Start Type: | DOL Start |
Intelligent pump control panel for general pump, with single phase, AC220V/50HZ

Brief Introduction :
Model S521 is a single phase water pump controller product which is widely used for control and protection of submersible pump ,centrifugal pump ,pipeline pump etc. In industrial and civil area .
Typical Usage Scenarios:
Houses
Flats
Holidays houses
Farms
Water supply from wells
Irrigations of greenhouses, gardens, agriculture
Rain water reuse
Industrial plants
Waste water tank / Sewage sink
Application :
●Control and protect universal pump
●Using water level sensor or float switch 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
Product Function / Features :
Model | S521 |
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) |
Capacitor: | Reserved space for installing start capacitor |
Product function | Over load protection Pump stalled protection Dry run protection with sensor free Under voltage protection Over voltage protection |
Application & Control characteristic | Control and protect universal pump Using water level sensor or float switch 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 |
Other features | Push button calibration Memory function when power off & recovery |
Working temperature Working humidity Degree of protection Install position Unit dimension (L x W x H) | -25℃-- +55℃ 20%--90%RH, no drips concreted IP22 Wall mounting 170× 155× 85mm |
About Us
Leading Science & Technology company has been providing pump control and protection solutions to pump users.
Business Type : Manufacturer Exporter
Main Market: South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle East, Africa, Oceania, etc.
Tag: intelligent pump control box, digital pump controller
Over the years, we have continued to improve, in line with the spirit of dedicated craftsman, successfully developed high-quality and stable Intelligent Water Pump Control Panel (S531) for Water Pump Users. With many years good service and development, we have a qualified international trade sales team. We cultivate and build the core competitiveness of enterprises, and actively promote the adjustment of industrial structure.
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