3S Smart Sewage Pump Controller
Empowering Sewage Treatment Systems with Smart Operation and Efficiency

Sewage treatment is a core component of urban infrastructure and ecological environmental protection.

Traditional lift and return systems rely heavily on manual operation and mechanical control, resulting in low efficiency, frequent maintenance, and slow system response.

In sewage plants, industrial parks, and municipal drainage systems, pump stations operate under complex conditions with corrosive and abrasive media, presenting far greater challenges than clean-water pump control systems.

Complex media causing frequent blockages:
Sewage contains solid particles, grease, corrosive chemicals, and fibrous debris. These materials can easily entangle pump impellers, causing blockages, overloads, shutdowns, and repeated pump station failures.

Harsh environments accelerating equipment damage:
Corrosive gases generated in wastewater pits attack relay contacts and corrode PCB boards. High humidity leads to controller short circuits and electrical failures, significantly shortening control cabinet lifespan.

High energy consumption and rising operational costs:
Sewage flow fluctuates dramatically with daily cycles and rainfall. Traditional fixed start-stop logic or manual intervention cannot adapt to sudden surges or extended low-load conditions. Continuous “uniform operation”leads to substantial energy waste.

Lack of remote monitoring and data visibility:
Modern sewage treatment requires data on pump running hours, start-stop cycles, and fault analysis. Yet many pump stations still operate independently, creating severe information silos and making centralized management and predictive maintenance impossible.

The introduction of the 3S Smart Sewage Pump Controller brings a comprehensive solution that integrates automatic control, smart pump rotation, remote monitoring, and multi-level protection—enabling sewage pump stations to operate more intelligently, efficiently, and safely.

The 3S Smart Sewage Pump Controller is a microprocessor-based integrated control unit designed specifically for sewage treatment plant pump stations, sludge return systems, dewatering processes, and reclaimed water applications.

By collecting level, pressure, temperature, and other critical signals, the controller uses algorithm-driven logic to automatically manage the start/stop, switching, and rotation of single or multiple pumps.

It can also communicate with PLCs and cloud platforms to enable remote monitoring, data logging, alarm notifications, and operation records—supporting fully unmanned pump station management.

3S Smart Sewage Pump Controller Main Functions:

1. Automatic Start/Stop Control:

Automatically starts or stops pumps based on tank level or pipeline pressure signals, preventing dry running, idle running, or sewage overflow.

2. Intelligent Multi-Pump Coordination:

Supports a variety of dual-pump control strategies such as pump rotation, differential start-up, peak–valley mode, and flow-based intelligent switching to avoid energy waste from fixed start-stop modes.

3. 17 Comprehensive Protection Features:

Includes protections such as motor stall, impeller blockage, dry running, anti-rust, leakage, PTC thermal detection, overload, underload, overvoltage, undervoltage, phase imbalance, phase loss, phase reversal, short-circuit protection, and more.

4. Remote Monitoring & Smart Alarms:

Monitors key parameters like liquid level and pressure in real time. Abnormal conditions trigger automatic alarms and support remote intervention.

5. IP55 Industrial Protection:

Engineered with industrial-grade waterproof, dust-proof, and anti-corrosion construction to ensure long-term reliability in highly humid and corrosive sewage pump stations.

Working Principle:

The 3S Smart Sewage Pump Controller continuously monitors key process parameters such as inlet flow rate and sludge level, and automatically adjusts the operating status of lift pumps, return pumps, and aeration equipment.
When the influent load fluctuates, the system intelligently adjusts pump operation frequency to maintain process stability.
In multi-pump configurations, the system supports automatic pump rotation to balance wear and extend overall equipment lifespan.

The 3S Smart Sewage Pump Controller delivers stable, safe, and energy-efficient operation for sewage treatment systems through advanced automation, smart control algorithms, and remote management capabilities.

With its dual-pump N+1 redundancy design and demand-based adaptive scheduling, the system automatically adjusts pump operation according to real-time sewage flow, preventing unnecessary idle running during peak and low-load periods—achieving 20–40% energy savings.

Using current-waveform-based detection technology, the controller’s intelligent anti-blockage features provide early warnings and power cut-off when anomalies are detected, reducing pump blockage-related shutdowns by up to 30%.

Remote monitoring and data visibility—including running hours, start-stop cycles, and fault history—enable centralized supervision and predictive maintenance, reducing manual inspections by 50%.

Industrial-grade IP55 protection, anti-blockage algorithms, overload protection, and demand-based control collectively reduce mechanical and electrical stress, lowering wear and failure risks and extending both pump and controller lifespan by 25–50%.

Looking ahead, with the continued advancement of IoT and AI, the 3S Smart Sewage Pump Controller will integrate even more deeply with SCADA systems, enabling energy optimization, state prediction, and early-warning diagnostics—supporting the development of unmanned, intelligent, and energy-efficient modern sewage treatment facilities.