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AEG S31N-R00-F010 Series Compact Soft Starter for 3-Phase AC Motors
- Product Introduction: AEG S31N-R00-F010 is a compact, cost-effective soft starter for 3-phase AC induction motors, engineered for reducing inrush current and mechanical stress during motor startup/shutdown in light to medium industrial applications. The module features a voltage ramp control algorithm, built-in motor protection and a compact DIN-rail mount design, eliminating the need for separate contactors and overload relays in most applications. It is designed for seamless integration with PLC and relay control systems, with simple wiring and configuration, and is an ideal replacement for direct-on-line (DOL) starters in applications where smooth motor acceleration, energy savings and equipment protection are required.
- Technical Specifications:
- Motor Type: 3-phase squirrel cage AC induction motors (standard and high-efficiency IE2/IE3/IE4)
- Rated Voltage: 380-480 V AC (3-phase, 50/60 Hz)
- Rated Current: 10 A (continuous at 40°C)
- Motor Power Rating: 4 kW (at 400 V AC, 50 Hz); 5.5 kW (at 460 V AC, 60 Hz)
- Startup Control: Voltage ramp control (adjustable ramp time: 0.5-30 s; adjustable start voltage: 20-80% of rated voltage)
Detailed content
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- Shutdown Control: Soft stop (adjustable ramp time: 0.5-30 s) / Free stop (configurable via DIP switches)
- Overload Protection: Electronic thermal overload (class 10/20/30 configurable), motor current monitoring
- Additional Protection: Phase loss, phase unbalance, overcurrent, undercurrent, overtemperature, motor stall protection
- Control Inputs: 2 digital inputs (start/stop, 24 V DC dry contact)
- Status Outputs: 1 relay output (run/fault status, 5 A/250 V AC, 5 A/30 V DC)
- Communication: None (standalone operation, PLC/relay control via hardwired inputs)
- Display: LED status indicators (power, run, fault)
- Power Supply for Control Circuit: 24 V DC (18-30 V DC) / 230 V AC (200-240 V AC) (dual input, selectable)
- Cooling Method: Natural convection (passive, no fan)
- Mounting: 35 mm standard DIN rail (clip-on installation)
- Protection Class: IP20 (cabinet-mounted)
- Dimensions: 45 mm (W) × 140 mm (H) × 120 mm (D)
- Weight: 0.8 kg
- Compliance: IEC 60947-4-2, IEC 61800-3, CE, RoHS
- Functional Features:
- Voltage ramp soft start reduces motor inrush current by up to 70% compared to DOL starting, lowering power grid stress and preventing voltage sags in sensitive electrical systems
- Adjustable start voltage and ramp time enable custom motor acceleration profiles, matching the specific load characteristics (e.g., centrifugal pumps, conveyors, fans)
- Soft stop function reduces water hammer in pump systems and mechanical shock in conveyor systems, extending the service life of pipes, valves and mechanical components
- Integrated electronic thermal overload and comprehensive motor protection eliminate the need for separate overload relays and contactors, reducing hardware costs and cabinet space
- Configurable protection classes (10/20/30) adapt to different motor types and load conditions, ensuring optimal motor protection without unnecessary tripping
- Phase loss/phase unbalance protection prevents motor damage caused by faulty wiring or power grid issues, a common cause of motor failure in industrial environments
- Overtemperature protection with thermal shutdown prevents module damage from overheating, ensuring reliable operation in high-temperature control cabinets
- Compact 45 mm width allows high-density mounting on DIN rails, ideal for control cabinets with multiple motor starters
- Tool-free DIN-rail installation and simple DIP switch configuration enable quick on-site setup and replacement, reducing installation time
- Dual control power supply (24 V DC / 230 V AC) provides flexible integration with both PLC-based (24 V DC) and traditional relay-based (230 V AC) control systems
- LED status indicators and relay fault output enable easy fault diagnosis and remote status monitoring, reducing downtime
- Passive natural convection cooling eliminates fan-related maintenance and failure points, ensuring silent operation and high reliability
- Application Scenarios:
- HVAC systems for soft starting of fans, blowers and centrifugal pumps in commercial and industrial buildings
- Water and wastewater treatment for soft starting of submersible pumps, transfer pumps and aeration blowers (prevents water hammer)
- Light manufacturing for soft starting of small conveyors, mixers and packaging machinery motors
- Food and beverage production for soft starting of pump, fan and mixer motors in processing and packaging lines
- Retail and commercial facilities for soft starting of refrigeration compressors and ventilation fans
- Agriculture for soft starting of irrigation pumps, grain conveyors and ventilation fans in farm and storage facilities
- Building services for soft starting of water supply pumps, lift station pumps and ventilation systems
- Small industrial plants for replacing DOL starters in low-power motor applications (4-5.5 kW) to reduce grid stress and equipment wear
- Laboratory and clean room equipment for soft starting of small motors with low noise and vibration requirements
- Mobile industrial equipment (small AGVs, portable compressors) for compact, reliable motor starting with integrated protection
