Schneider Electric ATV930C31N4C is a three-phase variable speed drive from the Altivar Process ATV930 series, rated for 380...480 V supplies and delivering 315 kW in normal duty or 250 kW in heavy duty. Its IP00 enclosure is designed for cabinet mounting, making it a rugged, field-proven choice for mission-critical oil and gas operations.

What makes the ATV930C31N4C suitable for demanding environments?

Built for demanding environments, this drive combines a dual ND/HD rating with integrated safety and robust environmental tolerances. The dual rating means one drive can serve both normal and heavy-duty loads, reducing spare-parts inventory and cost. The integrated STO function (SIL3 / Cat. PL e) eliminates the need for external safety relays, saving panel space and wiring costs. An integrated Category C3 EMC filter further reduces installation complexity and cost.

Key specifications and cost implications

• Supply voltage: 380...480 V three-phase (-15%/+10%), 50/60 Hz — wide tolerance supports global installations.
• Motor power (ND): 315 kW (500 HP), 120% overload for 60 s — handles normal-duty peaks without oversizing.
• Motor power (HD): 250 kW (400 HP), 150% overload for 60 s — provides margin for heavy-duty starts.
• Operating temperature: 0 to +40 °C standard, derating from 40 to 50 °C — reliable in hot climates with proper derating.
• Input current (ND): 569 A at 380 V, 461 A at 480 V — lower current at higher voltage reduces cable and protection costs.
• Output current (ND): 616 A maximum continuous at nominal switching frequency.
• Dimensions: 1195 x 598 x 380 mm — compact footprint for cabinet integration.
• Weight: 203.000 kg — sturdy construction for industrial reliability.
• Power dissipation: 7332 W (ND) / 5437 W (HD) — lower HD dissipation reduces cooling energy costs.
• Required air flow: 1260 m3/h — ensures adequate cooling for continuous operation.

How does This unit reduce total cost of ownership?

The dual ND/HD rating allows a single drive to cover multiple applications, cutting inventory costs. Integrated STO safety reduces external components and wiring, lowering installation cost. The integrated EMC filter eliminates the need for external filters, saving space and cost. High efficiency in HD mode (lower power dissipation) reduces energy consumption. The IP00 enclosure requires a cabinet but allows for optimized cooling and protection. The wide voltage tolerance and environmental class 3C3/3S3/3M3 ensure reliable operation in harsh conditions, reducing downtime and maintenance costs.

Installation and maintenance

Install in a cabinet with clearances: 200 mm above, 150 mm below, and 10 mm front. Ensure airflow of 1260 m3/h. Terminal tightening torque for M10 busbars is 41 N·m. For altitudes above 1000 m, derate current by 1% per 100 m. Regular maintenance includes checking cooling fans, cleaning heatsinks, and verifying connections. The drive's environmental class 3C3/3S3/3M3 ensures resistance to harsh conditions, but periodic inspection is recommended.

Integration and communication

Built-in Ethernet dual-port switch and Modbus serial port enable easy integration. EtherNet/IP and Modbus TCP are supported natively. An option slot accepts fieldbus modules such as PROFINET, PROFIBUS DP V1, CANopen, DeviceNet, EtherCAT, and POWERLINK. Cybersecurity is addressed with Achilles Level 2 certification. For network integration, confirm gateway and cabling requirements with PetroPartsOnline.

Frequently asked questions

What is This unit?

The Schneider Electric unit is a three-phase variable speed drive rated 315 kW (ND) / 250 kW (HD) for 380...480 V supplies, with IP00 enclosure for cabinet mounting.

What are the operating temperature limits?

The drive operates from 0 to +40 °C standard, with derating from 40 to 50 °C. Storage temperature is -40 to +70 °C.

Does This unit include a braking unit?

No, it requires an external braking unit; there is no built-in brake chopper.

What safety functions are integrated?

It includes one STO (Safe Torque Off) function, certified SIL3 / Cat. PL e per IEC 61508 and ISO 13849-1.

What communication protocols are built-in?

It has built-in Ethernet dual-port switch and Modbus serial port, supporting EtherNet/IP and Modbus TCP. Additional fieldbus modules can be added via the option slot.

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