Schneider ATSU01N222LT Altistart U01 Soft Starter 22A 200-480V 11kW TeSys U

The Schneider Electric ATSU01N222LT is a three-phase soft starter for asynchronous motors, part of the Altistart U01 and TeSys U range. With a rated current of 22 A and a supply voltage of 200...480 V, it supports motors up to 11 kW at 400 V using controlled voltage-ramp starting to limit mechanical stress and inrush current during start-up.

Technical specifications:

• Commercial reference: ATSU01N222LT
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altistart U01 and TeSys U
• Product type: Soft starter for asynchronous motors
• Network phases: Three-phase
• Rated current (Icl): 22 A
• Rated supply voltage: 200...480 V (-10%/+10%)
• Motor power: 11 kW at 400 V / 4 kW at 230 V (three-phase)
• Usage category: AC-53B per EN/IEC 60947-4-2
• Starting type: Voltage ramp
• Starting time: Adjustable 1...10 s
• Stop time: Adjustable 1...10 s
• Control circuit voltage: 24 V DC +/- 10%
• Available function: Integrated bypass
• IP protection rating: IP20
• Operating temperature: -10...40°C without derating; 40...50°C with 2% per °C current derating
• Storage temperature: -25...70°C per EN/IEC 60947-4-2
• Dimensions W x H x D: 45 x 314 x 170 mm
• Weight: 0.49 kg
• Standard: EN/IEC 60947-4-2
• Certifications: CE, UL, CSA, CCC, C-Tick
• Connection: 4 mm screw terminal block; power circuit 1...10 mm²; control circuit 0.5...2.5 mm²

Features and benefits:

• Integrated bypass reduces steady-state heat dissipation to 2.5 W at full load after run-up
• Adjustable starting and stopping ramp times from 1 to 10 s for flexible motor control
• Starting torque adjustable from 30 to 80% of rated motor torque for smooth acceleration
• Galvanic isolation between power supply and control circuit for enhanced electrical safety
• Open collector output LO1 signals end of start; relay output R1 (NO) for system integration

Applications:

• Pumps and fans in HVAC and building services installations
• Conveyor belts and simple machinery requiring smooth, controlled motor starting
• Industrial control panels driving three-phase induction motors up to 11 kW at 400 V
• Compressor and light machinery drives where direct-on-line starting causes excessive mechanical stress

Compliant with EN/IEC 60947-4-2. Part of the Schneider Electric Altistart U01 and TeSys U range.

Also known as: Schneider ATSU01N222LT, Schneider Electric ATSU01N222LT, Altistart U01 22A soft starter, ATSU01 soft starter 11kW.