Schneider ATV930D18N4 Variable Speed Drive, ATV930, 18.5kW 400-480V, with Brakin

The Schneider Electric ATV930D18N4 is a variable speed drive from the Altivar Process ATV900 series, rated at 18.5 kW for 400/480 V three-phase supply with an integrated braking unit and IP21 enclosure. Designed for asynchronous and synchronous motors in industrial process applications, it delivers continuous output current of 39.2 A at 4 kHz in normal duty and supports a maximum output frequency of 599 Hz.

Technical specifications:

• Commercial reference: ATV930D18N4
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altivar Process ATV900
• Product type: Variable speed drive
• Motor power: 18.5 kW (normal duty), 15.0 kW (heavy duty)
• Rated supply voltage: 380...480 V (-15...+10%)
• Number of phases: Three-phase
• Continuous output current: 39.2 A at 4 kHz (normal duty), 31.7 A at 4 kHz (heavy duty)
• Line current: 33.4 A at 380 V (normal duty), 27.7 A at 380 V (heavy duty)
• Maximum transient current: 47 A for 60 s (normal duty)
• Apparent power: 24 kVA at 480 V (normal duty)
• Switching frequency: 2...16 kHz adjustable, rated 4 kHz
• Maximum output voltage: 480 V
• Network frequency: 50...60 Hz
• Line short-circuit current Isc: 50 kA
• IP rating: IP21 (UL Type 1)
• Mounting: Wall mounting
• EMC filter: Integrated
• Communication protocols: Modbus TCP, Ethernet/IP, Modbus serial
• Connection interface: 2 x RJ45, 1 x RJ45, 2-wire RS485
• Digital inputs: 10 (DI1-DI8 configurable 24 V DC; DI7/DI8 pulse input 0...30 kHz; STO inputs STOA/STOB)
• Digital outputs: 2 (DQ+, DQ- 0...1 kHz, up to 30 kHz pulse)
• Analog inputs: 3 (0...10 V DC or 0...20 mA/4...20 mA, 12-bit resolution)
• Analog outputs: 2 (0...10 V DC or 0...20 mA, 10-bit resolution)
• Relay outputs: 3 (R1 fault relay NO/NC, R2/R3 status relay NO)
• Preset speeds: 16
• Acceleration/deceleration ramps: Linear, independently adjustable 0.01...9999 s
• Power dissipation: 67 W (natural convection) / 460 W (forced air) at 380 V, 4 kHz
• Safety functions: STO (Safe Torque Off), SS1 (Safe Stop 1), SLS (Safely Limited Speed), SBC/SBT (Safe Brake Management)
• Optional modules: Profibus DP V1, Profinet, DeviceNet, EtherCAT, CANopen, Ethernet Powerlink, digital/analog I/O expansion, encoder/resolver interface

Features and benefits:

• Integrated braking unit enables dynamic motor braking without an external braking module
• Integrated EMC filter simplifies installation and ensures electromagnetic compatibility compliance
• Four-quadrant operation capability supports regenerative braking applications
• Supports asynchronous (constant torque, variable torque, optimized torque) and synchronous motor control profiles including permanent magnet and synchronous reluctance motors
• Flexible expansion via three option slots for communication modules and I/O extensions
• Built-in functional safety functions (STO, SS1, SLS, SBC/SBT) reduce external safety component requirements

Applications:

• Industrial process drives for pumps, fans, and compressors requiring precise speed control
• Conveyor and material handling systems with dynamic braking requirements
• HVAC and building services applications with variable load profiles
• Machine automation with synchronous or permanent magnet motor drives
• Process industries requiring functional safety integration (STO/SS1)

Part of the Schneider Electric Altivar Process ATV900 series.

Also known as: Schneider ATV930D18N4, Schneider Electric ATV930D18N4, Altivar 930 18.5 kW variable frequency drive, ATV930 VSD.