Schneider ATV930D37N4 Variable Speed Drive, ATV930, 37kW 400-480V IP21

The Schneider Electric ATV930D37N4 is a variable speed drive from the Altivar Process ATV900 series, rated at 37 kW for 400-480 V three-phase supply with an integrated braking unit and IP21 enclosure protection. Designed for asynchronous and synchronous motors, it delivers 74.5 A continuous output current at 4 kHz for normal duty and supports multiple industrial communication protocols including Modbus TCP, Ethernet/IP, and Modbus serial.

Technical specifications:

• Commercial reference: ATV930D37N4
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altivar Process ATV900
• Product type: Variable speed drive (frequency inverter)
• Motor power (normal duty): 37.0 kW
• Motor power (heavy duty): 30.0 kW
• Rated supply voltage: 380-480 V, -15/+10%
• Number of phases: Three-phase
• Continuous output current (normal duty): 74.5 A at 4 kHz
• Continuous output current (heavy duty): 61.5 A at 4 kHz
• Switching frequency: 2-16 kHz adjustable, rated at 4 kHz
• Maximum output frequency: 599 Hz
• Line current at 380 V (normal duty): 66.2 A
• Apparent power at 480 V (normal duty): 47.6 kVA
• Maximum transient current (normal duty): 89.4 A for 60 s
• Network frequency: 50-60 Hz
• Line short-circuit current (Isc): 50 kA
• IP protection rating: IP21 / UL Type 1
• Mounting: Wall mounting
• EMC filter: Integrated
• Digital inputs: 10 (DI1-DI8 configurable 24 V DC, STOA/STOB safe torque off)
• Digital outputs: 2
• Analog inputs: 3 (software-configurable voltage 0-10 V DC or current 0-20 mA/4-20 mA, 12-bit resolution)
• Analog outputs: 2 (software-configurable, 10-bit resolution)
• Relay outputs: 3 (R1 fault relay NO/NC, R2/R3 status relays NO)
• Communication protocols: Modbus TCP, Ethernet/IP, Modbus serial (RS485)
• Optional module slots: Slot A (Profibus DP V1, Profinet, DeviceNet, EtherCAT, CANopen), Slot B (encoder/resolver interface), Slot A/B/C (I/O expansion)
• Preset speeds: 16
• Safety functions: STO, SS1, SLS, SBC/SBT
• Four-quadrant operation: Yes
• Power dissipation (forced air, 380 V, 4 kHz): 796 W

Features and benefits:

• Integrated braking unit enables dynamic braking without external chopper, simplifying panel design
• Supports both asynchronous and permanent magnet synchronous motor control profiles
• Integrated EMC filter reduces cabling complexity and ensures compliance in industrial environments
• Flexible communication via Modbus TCP, Ethernet/IP, and optional Profibus, Profinet, DeviceNet, or EtherCAT modules for seamless integration into automation systems
• Independently adjustable linear acceleration and deceleration ramps (0.01-9999 s) for precise process control
• Built-in safety functions STO and SS1 support machine safety requirements without additional external devices

Applications:

• Industrial process applications requiring variable speed control of pumps, fans, and compressors
• Conveyor and material handling systems with dynamic braking requirements
• HVAC and water treatment plants with asynchronous or permanent magnet synchronous motors
• Automation panels in manufacturing facilities requiring fieldbus connectivity and I/O expansion

Part of the Schneider Electric Altivar Process ATV900 series.

Also known as: Schneider ATV930D37N4, Schneider Electric ATV930D37N4, Altivar 930 37kW variable frequency drive, ATV930 frequency inverter 37kW.