Schneider ATS22D75Q Altistart 22 Soft Starter 75A 400-440V 37kW Internal Bypass

The ATS22D75Q is a Schneider Electric Altistart 22 series soft starter for three-phase asynchronous motors, providing torque-controlled starting with inrush current limited to 3.5 In. It supports motor powers of 37 kW at 400-440 V and 18.5 kW at 230 V, with a 75 A rated starter current. Featuring an internal bypass function and Modbus RS485 communication, it is suited to demanding industrial motor control installations.

Technical specifications:

• Commercial reference: ATS22D75Q
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altistart 22
• Product type: Soft starter
• Application: Asynchronous motors
• Rated supply voltage: 230...440 V (-15...+10%)
• Motor power: 37 kW at 400 V / 37 kW at 440 V / 18.5 kW at 230 V
• Rated starter current (Icl): 75 A
• Factory setting current: 69 A
• Usage category: AC-53A
• Control circuit voltage: 230 V 50/60 Hz
• Control circuit consumption: 20 W
• Digital outputs: 2 relay outputs (R1, R2), 230 V
• Digital inputs: 3 (LI1, LI2, LI3), 24 V, positive logic
• PTC probe input: 750 Ohm
• Communication: Modbus, RS485 multidrop, RJ45, 4800/9600/19200 bps
• IP protection: IP20
• Cooling: Forced air (fan)
• Operating position: Vertical +/- 10 degrees
• Dimensions (W x H x D): 145 x 295 x 207 mm
• Weight: 12 kg
• Operating temperature: -10...40°C (no derating); 40...60°C (derating 2.2% per °C)
• Storage temperature: -25...70°C
• Power dissipation: 63 W (standard applications)
• Standard: IEC 60947-4-2
• Certifications: CE, CSA, UL, GOST, CCC, C-Tick

Features and benefits:

• Internal bypass reduces heat dissipation during continuous full-speed motor operation
• Torque-controlled starting limits inrush current to 3.5 In, protecting motor windings
• Phase loss and thermal protection for both motor and starter unit
• Adjustable output current from 0.4 to 1 Icl for precise soft-start tuning
• Modbus RS485 communication enables remote monitoring and network integration

Applications:

• Pump and fan motor soft starting in HVAC and water treatment systems
• Conveyor and compressor drives in industrial automation panels
• Motor starting in building services and process industries
• Multi-motor installations controlled over Modbus RS485 networks

Compliant with IEC 60947-4-2. Part of the Schneider Electric Altistart 22 range.

Also known as: Schneider ATS22D75Q, Schneider Electric ATS22D75Q, Altistart 22 soft starter 75A, ATS22 soft starter 37kW.