The Schneider Electric Altistart 22 Soft Starter — ATS22C17Q is an industrial electronic soft starter designed to provide smooth starting and stopping control for three‑phase asynchronous motors. It helps limit motor inrush current and reduces mechanical stress and electrical disturbances during motor start‑ups, improving reliability and extending the life of driven equipment.
Technical Parameters
Parameter Specification
Product Name Schneider Electric Altistart 22 Soft Starter
Model ATS22C17Q
Device Type Electronic Soft Starter for AC motors
Series Altistart 22
Application Starting/stopping of 3‑phase asynchronous motors
Rated Supply Voltage (Ue) 230…440 V AC (‑15% / +10%)
Supply Frequency 50…60 Hz (±10%)
Rated Operational Current (Ie) 170 A at 40 °C
Factory Setting Current 162 A
Starter Rating (IcL) 170 A for motor inline connection
Motor Power (AC‑3) ~45 kW @ 230 V; ~90 kW @ 400/440 V
Motor Power (Delta) ~75 kW @ 230 V; ~132 kW @ 400/440 V
Utilisation Category AC‑53A
Type of Start Torque‑controlled start (current limited to ~3.5× In)
Integrated Bypass Yes
Degree of Protection IP00
Control Circuit Voltage 230 V AC (±15%…+10%)
Control Circuit Consumption ~20 W
Outputs Relay outputs for run, alarm, trip, etc.
Cooling Method Forced convection
Mounting Orientation Vertical ±10°
Operating Temperature ‑10…40 °C (without derating); 40…60 °C (with derating)
Standards Compliance EN/IEC 60947‑4‑2
Certifications CE, UL, CSA, CCC, GOST, C‑Tick
Dimensions ~356 mm H × 150 mm W × 229.5 mm D
Net Weight ~18 kg
Typical Applications Pumps, fans, compressors, material handling