ATV340U55N4

Product Overview

• Model: ATV340U55N4

• Series: Altivar Machine ATV340 (compact cabinet-mount)

• Mounting: Vertical installation (≈110 mm width)

• Motor Compatibility: Asynchronous (IE2–IE4), synchronous permanent-magnet, and reluctance motors; both open- and closed-loop control modes

Power & Electrical Ratings

• Normal Duty (ND): 7.5 kW (~10 HP); continuous output current ~16.5 A at 4 kHz

• Heavy Duty (HD): 5.5 kW (~7 HP); continuous output current ~12.7 A at 4 kHz

• Supply Voltage: 380–480 V AC, 3-phase

• Line Currents:

  • HD: ~20 A @ 380 V / ~16 A @ 480 V

  • ND: ~15.3 A @ 380 V / ~12.2 A @ 480 V

• Apparent Power: ~13.3 kVA (HD) / ~12.1 kVA (ND) at 480 V

• Transient Overloads:

  • ND: ~18.2 A for 60 s / ~22.3 A for 2 s

  • HD: ~19.1 A for 60 s / ~22.9 A for 2 s

• EMC Filter: Integrated Class C3 (up to 20 m motor cable)

• Protection Rating: IP20 (cabinet mounting)

Control & Safety Features

• Output Frequency Range: 0.1–599 Hz

• Switching Frequency: 4 kHz nominal; adjustable 2–16 kHz (derating above nominal)

• Control Modes: Variable torque, constant torque, optimized torque; supports synchronous and reluctance motor profiles

• Safety Functions: Safe Torque Off (STO), SIL 3 certified

• Braking: DC injection with integrated brake chopper

I/O & Communication

• Digital Inputs (DI): 5 total (PTI pulse input up to 30 kHz, STO input included)

• Preset Speeds: 16 configurable presets

• Analog Inputs (AI): 2 (voltage, current, or temperature configurable)

• Analog Outputs (AO): 2 (voltage or current configurable)

• Relay Outputs (RO): 2 programmable relays, rated up to 3 A resistive

• Communications:

  • Built-in RS-485 (Modbus RTU)

  • Optional modules: PROFIBUS DP, PROFINET, DeviceNet, CANopen, EtherCAT

Physical & Environmental Specifications

• Dimensions (W × H × D): 110 × 270 × 234 mm

• Weight: ~2.9 kg

• Operating Position: Vertical, ±10°

• Operating Temperature: –15 °C to +50 °C (up to +60 °C with derating)

• Environmental Ratings: Shock- and vibration-resistant; pollution degree 2; overvoltage category III

• Certifications: IEC/EN 61800-3, 61800-5-1, IEC 60721-3, IEC 61508, IEC 13849-1; CE, UL, CSA, TÜV

Summary Table