55 kW at 500-690 V — sizing the ATV930D75Y6 for the load
The ATV930D75Y6 is a 55.0 kW normal duty / 45.0 kW heavy duty variable speed drive in the Altivar Process ATV900 series, fed from a 500...690 V 3-phase supply. The 83 A nominal output current at 2.5 kHz carrier defines the thermal budget — heavy-duty applications at 66 A continuous leave headroom for overload cycles. It handles both asynchronous and synchronous motors, with an adjustable PID regulator built in for process loops like pump pressure or fan static pressure control. The integrated braking chopper (standard version) means no external braking module is needed for deceleration — just add a resistor sized for the duty cycle.
Fieldbus and I/O — what connects where
Standard communication is Modbus serial, Modbus TCP, and EtherNet/IP on the RJ45 port. Slot A accepts plug-in modules for Profibus DP V1, PROFINET, DeviceNet, EtherCAT, or CANopen (daisy chain RJ45 or SUB-D 9 or screw terminals) — the drive ships without the module, so order the fieldbus card separately. Slots A, B, and C also accept digital/analog I/O extension modules and output relay extension modules. Slot B supports 5/12 V digital encoder, analog encoder, or resolver encoder feedback — needed for closed-loop speed or position control on synchronous motors. The control terminal block accepts 0.5...1.5 mm² (AWG 20...16) wire. External 24 V DC supply for digital inputs (19...30 V) is required; the drive provides an internal 10.5 V DC reference for a 1...10 kΩ potentiometer and a separate 24 V DC supply for digital inputs and STO.
Mounting, cooling, and environment — what the panel needs
Wall-mount enclosed assembly, IP21 / UL type 1 — indoor, dry location only. Operating position vertical within ±10 degrees. The drive moves 406 m³/h (107,256 Gal/hr US) of cooling air; plan for intake and exhaust grilles with enough free area to avoid recirculation. Rated for pollution degree 2, overvoltage category III. Operating altitude 1000...4800 m with 1 % current derating per 100 m above 1000 m. Vibration resistance 1.5 mm peak-to-peak at 2...13 Hz, 1 gn at 13...200 Hz per IEC 60068-2-6; shock 15 gn for 11 ms per IEC 60068-2-27. Chemical pollution resistance class 3C3 and dust pollution resistance class 3S3 per IEC 60721-3-3 — suitable for industrial atmospheres with moderate chemical exposure and non-conductive dust.
Compliance and standards — what the certs cover
CE marked. Listed standards include UL 508C (power conversion equipment), IEC 61800-3 (EMC for adjustable-speed drives), IEC 61800-5-1 (electrical/thermal/energy safety), IEC 61000-3-12 (harmonic limits), IEC 60721-3 (environmental classification), IEC 61508 (functional safety), and IEC 13849-1 (safety-related parts of control systems). The integrated EMC filter meets conducted emission limits for industrial environments; an optional EMC plate is available for higher performance if the installation requires it.
Sourcing — current production, quoted to order
Submit an RFQ with your target quantity and delivery window.