Schneider ATV340D18N4 Variable Speed Drive, Altivar Machine ATV340, 39A 18kW 400

The ATV340D18N4 is a Schneider Electric Altivar Machine ATV340 variable speed drive for three-phase 380...480 V supply networks, with a rated output current of 39.0 A. It supports 22 kW motor power for normal duty and 18.5 kW for heavy-duty applications, with an integrated Class C3 EMC filter and built-in braking resistor.

Technical specifications:

• Commercial reference: ATV340D18N4
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altivar Machine ATV340
• Product type: Variable speed drive
• Rated supply voltage: 380...480 V -15...+10%
• Supply frequency: 50...60 Hz +/- 5%
• Rated output current: 39.0 A
• Motor power: 22 kW (normal duty) / 18.5 kW (heavy duty)
• IP protection rating: IP20
• EMC filter: Class C3 integrated
• Switching frequency: 4 kHz rated, adjustable 2...16 kHz
• I/O: 5 digital inputs (Safe Torque Off capable, 24 V DC), 2 analog inputs, 1 analog output, 2 relay outputs
• Communication: Modbus RTU (RS-485, RJ45); optional modules: Profibus DP V1, Profinet, DeviceNet, CANopen, EtherCAT
• Preset speeds: 16
• Power terminal connection: Screw terminal 10...25 mm² (line/DC bus), 6...25 mm² (motor)
• Mounting: Enclosure mounting
• Safety function: Safely Limited Speed (SLS)
• Pollution degree: 2 per IEC 61800-5-1

Features and benefits:

• Integrated Class C3 EMC filter for simplified installation without external EMC components
• Built-in braking resistor with DC injection braking to standstill
• Supports asynchronous and synchronous motor control, including permanent magnet and reluctance motor profiles
• Four-quadrant operation with 16 preset speeds and configurable S, U or linear ramps (0.01...9999 s)

Applications:

• Variable-speed control of pumps, fans and compressors in industrial processes
• Conveyor and material handling systems requiring precise speed regulation
• Machine tools and production equipment with demanding speed and torque profiles
• HVAC systems requiring energy-efficient variable-torque motor control

Compliant with IEC 61800-5-1. Part of the Schneider Electric Altivar Machine ATV340 range.

Also known as: Schneider ATV340D18N4, Schneider Electric ATV340D18N4, Altivar Machine 340 18kW variable speed drive.