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Schneider Electric's Altivar ATS430 soft starters are high-performance devices designed to ensure smooth starting and stopping of three-phase asynchronous electric motors while reducing electrical and mechanical stress.
In simple terms:
👉 They allow for smooth, jerk-free motor starting without current surges, while protecting the installation.
👉 They also allow for gradual motor stopping and continuous monitoring of its status.
👉 This is a compact, connected, robust, and optimized solution for industrial applications.

Thanks to their integrated bypass, they offer an efficiency exceeding 99.5%, optimizing energy consumption. They incorporate all essential motor protections (Overload, Overheating, phase loss, under/overvoltage, stall, phase reversal, etc.) and feature advanced monitoring functions: current, voltage, power, energy, temperature, bypass relay status, and event diagnostics.
Easy to configure via the Simply Start menu and fully compatible with SoMove and EcoStruxure tools, the ATS430 solf starters enable rapid commissioning and simplified maintenance. Their robust and eco-friendly design makes them suitable for demanding industrial environments.
Ideal for pumps, fans, compressors, conveyors, agitators, and other medium-inertia applications, the ATS430 solf starters ensure safe, reliable, and long-lasting operation, while extending motor life and improving overall process performance.

Electrical Range
Stop Modes
*(Recommended values confirmed in the manual)*
Built-in Protections
Integrated HMI Interface & Communication
Communication ports
The Altivar Machine ATS430 is compatible with a wide variety of machines and processes:
The Altivar ATS430 Process
Available Parameters
Tools available
Useful Resources
The ATS430 provides several key customer benefits:
*At Tradelco Inc., we distribute the full range of Schneider Electric frequency inverters, including the Altivar ATS130, Altivar ATS430, Altivar ATS480 and Altivar ATS490, along with local technical support, customized cabling solutions and integration services for all your industrial automation applications.


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Category Full Model Name | Technical and Commercial Details ATS430 (Altivar Soft Starter 430) – three-phase soft starter for asynchronous motors from 4 to 400 kW, part of Schneider Electric’s industrial range. |
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Category Commercial Summary | Technical and Commercial Details The Altivar ATS430 is a highly durable industrial soft starter featuring energy monitoring, advanced diagnostics, and TCS torque control. Ideal for standard industrial installations up to 400 kW. |
| Soft Starter | Target Use | Voltage Range | Phase Control | Motor Capacity | Primary Features | Connectivity | Applications |
|---|---|---|---|---|---|---|---|
Soft Starter | Target Use Compact and economical starter for simple OEM machines | Voltage Range 200–480 V three-phase | Phase Control Two-phase control (2 controlled phases) | Motor Capacity 11 to 55 kW (15 to 75 HP) | Primary Features Two-phase control with integrated bypass Boost and soft stop functions No fan (optional cooling fan) EverLink™ maintenance-free terminals | Connectivity 24 VDC control terminals, LED status indicators | Applications Pumps, fans, conveyors, simple compressors |
Soft Starter | Target Use Enhanced starter for light to medium processes | Voltage Range 200–600 V three-phase | Phase Control Three-phase control (3 controlled phases) | Motor Capacity 11 to 315 kW (15 to 400 HP) | Primary Features Three-phase control with advanced protections Torque and current limitation Integrated LCD keypad and menu navigation Built-in bypass and motor protection | Connectivity Modbus RTU, analog I/O, optional communication cards | Applications Pumps, HVAC, compressors, material handling |
Soft Starter | Target Use Smart and connected starter for industrial applications | Voltage Range 208–690 V three-phase | Phase Control Full three-phase control with advanced microcontroller | Motor Capacity 11 to 900 kW (15 to 1200 HP) | Primary Features Full three-phase control with advanced motor protection Embedded HMI with diagnostics and event logging Flexible torque control and customizable soft stop IoT connectivity and energy monitoring | Connectivity Modbus TCP, Ethernet/IP, EcoStruxure™ ready | Applications Industrial pumps, compressors, conveyors, automated systems |
Soft Starter | Target Use High-performance starter for heavy-duty and digitalized processes | Voltage Range 200–690 V three-phase | Phase Control Digital three-phase control with intelligent supervision | Motor Capacity 15 to 1200 kW (20 to 1600 HP) | Primary Features Advanced IoT integration and process automation High overload capacity and motor diagnostics Predictive maintenance and event traceability Full EcoStruxure™ integration and digital twin ready | Connectivity Advanced IoT integration and process automation High overload capacity and motor diagnostics Predictive maintenance and event traceability Full EcoStruxure™ integration and digital twin ready | Applications Heavy industry, mining, water treatment, energy systems |
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