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Smart Control Unit for Efficient Single Phase Motor Pump Operation
Smart Control Unit for Efficient Single Phase Motor Pump Operation
Smart Control Unit for Efficient Single Phase Motor Pump Operation
Smart Control Unit for Efficient Single Phase Motor Pump Operation
Smart Control Unit for Efficient Single Phase Motor Pump Operation
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Smart Control Unit for Efficient Single Phase Motor Pump Operation
Smart Control Unit for Efficient Single Phase Motor Pump Operation
Smart Control Unit for Efficient Single Phase Motor Pump Operation
Smart Control Unit for Efficient Single Phase Motor Pump Operation
Smart Control Unit for Efficient Single Phase Motor Pump Operation

Smart Control Unit for Efficient Single Phase Motor Pump Operation

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Product Description

💡 Basic Information
Model NO. S521 Mathematical Model Linear
Signal Continuous Function Automatic Control, Protection, Measurement
Certification ISO: 9001, CE Material ABS
Rated Output Power 0.37kw-2.2kw (0.5HP-3HP) Protection Grade IP22
Rated Input Voltage AC220V/AC230V Single Phase Specification 170 x 160 x 85 mm
📸 Detailed Product Photos
Digital Control Panel | Single Phase Pump Smart Controller
Smart Control Unit 1
Smart Control Unit 2
Smart Control Unit 3

LCD screen displaying pump running status

LCD Screen Display
📋 Product Specifications
ModelS521
ApplicationControl and protect universal pump, DOL
Rated Input VoltageAC220V-AC230V Single phase, 50HZ/60HZ
Rated Output0.37kw-2.2kw (0.5hp-3hp)
Main Features • Over load & Motor stalled protection
• Dry run protection (sensor free)
• Under/Over voltage protection
• Push button calibration & Memory function
• LCD running status display
• Signal transmission up to 200m
• Last five faults record & Accumulative running time
• Overflow alarm for drainage
Degree of ProtectionIP22
Dimensions170 x 160 x 85 mm
⚙️ Function Switch Settings
Setting 1
Setting 2
Setting 3
Connectable sensors: Liquid probe (standard accessory), Pressure switch, Float switch
📊 Technical Parameters
Technical Parameters
⏳ Development History
  • 2001: Established focusing on R&D, sales and after-sales service for intelligent pump controllers.
  • 2002-2003: Developed the first sensor-free installation intelligent deep well submersible pump controller.
  • 2004: Obtained national invention patent and design certificates.
  • 2005: Launched international marketing operations.
  • 2006-2009: Developed One-Push button calibration, power factor protection, and anti-corrosion probe technologies.
  • 2015: Launched Non-Contact Sewage Pump Control System for metro applications.
  • 2022-2024: Products and services expanded to more than 100 countries and regions globally.
🏭 Manufacturing Facility & Ability
Facility 1
Facility 2
📦 Logistics & Payment
Payment Term
Delivery Term
❓ Frequently Asked Questions
Q1: Can I have some samples for testing? Yes, samples are available for testing. Please contact our team for further details regarding sample arrangements.
Q2: What is the typical delivery time? Standard pump control panels usually take about 7 working days. For non-standard or customized orders, the lead time is approximately 15-20 days.
Q3: Do you support OEM or ODM services? Yes, we have a dedicated engineering team to support OEM and ODM projects, subject to specific order quantity requirements.
Q4: How is quality control managed in production? Our production follows ISO standards. We monitor quality from raw materials to finished goods, and every control panel is strictly tested before packing.
Q5: What is the expected lifespan of the control panel? Our control panels are engineered with a design life expectancy of approximately 8 years.
Q6: What is the after-sales service policy? Depending on order volume, we provide free spare parts or replacement controllers for maintenance and offer comprehensive technical training.

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