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Description
SP-M1 Automatic Pump Controller
Intelligent Protection & Control for Water Pumps and Booster Systems
The SP-M1 Automatic Pump Controller is a smart electronic control and protection device designed for single-phase water pumps, transfer pumps, sump pumps, and pressure booster systems. It automatically starts and stops the pump while continuously monitoring system conditions to protect against overload, dry-run operation, over-voltage, under-voltage, and stalled motor conditions.
Featuring a compact wall-mount design and digital LCD display, the SP-M1 provides dependable pump automation for residential, commercial, agricultural, and light industrial applications.
Motor Protection
Protects pumps against overload, dry-run, over-voltage, under-voltage, and stalled motor conditions.
Digital Monitoring
LCD screen displays voltage, current, operating status, runtime, and fault conditions in real time.
Simple Installation
Compatible with pressure switches, float switches, and liquid probes for flexible pump control.
Main Features
- Automatic pump start & stop control
- Dry-run protection without external sensor
- Motor overload and stalled pump protection
- Over-voltage and under-voltage protection
- LCD digital voltage and current monitoring
- Fault memory with last five fault records
- Pump runtime accumulation display
- Push-button calibration
- Memory recovery after power outage
- Overflow alarm for drainage applications
- Signal transmission distance up to 656 ft
Technical Specifications
| Start Type | DOL (Direct On Line) |
| Input Voltage | 110V Single Phase 50/60Hz |
| Motor Power Range | 0.5 HP – 1.5 HP |
| Working Temperature | -13°F to 131°F |
| Working Humidity | 20% – 90% RH |
| Protection Rating | IP22 |
| Mounting Type | Wall Mount |
| Unit Dimensions | 6.7 in × 6.3 in × 3.3 in |
| Connectable Sensors | Liquid Probe / Float Switch / Pressure Switch |
Typical Applications
Pressure Booster Systems
Automatic pressure control for residential and commercial booster pumps.
Water Transfer Systems
Controls pumps for tanks, reservoirs, wells, and water transfer applications.
Drainage & Sump Pumps
Supports float switches and overflow alarms for drainage systems.
The SP-M1 controller is engineered for dependable long-term performance, helping extend pump life, reduce downtime, and simplify system operation for a wide variety of water management applications.
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