Strict quality assurance system and advanced assembly technology provide a solid guarantee for the stable performance of our Pump Motor Control Panel Single Phase Submersible Control Panel CE Certified, Single Phase Pump Control Panel With CE Certificate For Pump Dealers, Auto Single Phase Water Pump Controller With Built-In Water Level Control. We provide fast, efficient, and experienced pre-sales and after-sales support services to quickly respond to customer needs and solve problems encountered during use. We take it as our responsibility to promote the harmonious development of society, base ourselves on reality, and do our best to fulfill our social responsibility.
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
We've been an energetic corporation with wide market for Sewage/Drainage Pump Intelligent Duplex Pump Controller (L922-S). We implement a good way to monitor the implementation of the rules and establish a good culture of working strictly according to the rules and regulations. Our company has carried out a series of technological innovations over the years, continuously expanding the scale of production and expanding the scope of services.
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