MG-A Series Intelligent Pump Controller (Stainless Steel LCD Version | One-Control-One & One-Control-Two)
Scope of Application Suitable for high-rise water supply, underground sewage discharge, and deep well pumping.
Product Overview Adopts microcomputer single-chip technology. No need to install probes in deep wells—supports dry-run protection via non-contact sensing. Enables truly intelligent, unmanned water pump control. Compatible with centrifugal pumps, submersible pumps, multistage pumps, deep well pumps, sewage pumps, booster pumps, and pipeline pumps.
Control Modes
One in use, one on standby
Dual-pump alternation
Dual-pump simultaneous start at ultra-high water level
Automatic fault switching
Water supply / Drainage / Pressure / Time-based control
Manual / Auto mode switching
Automatic restart after voltage recovery
Auto start upon power restoration
Display & Operation
Real-time voltage and current display
High/Medium/Low water level indication (upper & lower tanks)
Fault cause display + sound & light alarm
One-key setting for overload / dry-run protection
LCD display with intuitive interface
Protection Functions
Dry-run protection
Locked-rotor (stall) protection
Overload / No-load protection
Phase loss protection
Short circuit protection
Over/under voltage protection
Adjustable no-load delay start
Technical Specifications
Rated Voltage: AC 380V ±10%, 50Hz
Motor Power: 0.75–18.5KW
Static Power Consumption: < 3W
Max Control Distance: ≤ 2000 meters (without EMI)
Timed Start/Stop: 0–990 min adjustable
No-load Restart Delay: 0–990 min adjustable
Over/Under Voltage Trip Range: 304V–456V (≤3 sec), adjustable
Over/Under Current Protection Delay: 0.1s–3 min (inverse time)
