What Makes the ATV930C11N4F a Rugged Choice for Oil and Gas Duty?

How do you keep a mission-critical pump or compressor running when the supply is unstable and the environment is harsh? The Schneider Electric ATV930C11N4F answers that challenge as a floor-standing three-phase variable speed drive from the Altivar Process ATV930 series. It delivers 110 kW in Normal Duty and 90 kW in Heavy Duty, with a 380...440 V three-phase supply range and an IP21 floor-standing enclosure.

Key Specifications of This unit Drive

• Supply voltage: 380...440 V three-phase (-15%/+10%), 50/60 Hz
• Motor power (ND): 110 kW with overload up to 120% for 60 s
• Motor power (HD): 90 kW with overload up to 150% for 60 s
• Maximum continuous output current: 211 A (ND) / 173 A (HD)
• Operating temperature: 0 to +40 °C standard, derating from 40 to 50 °C
• Enclosure: IP21 floor-standing
• Dimensions (H×W×D): 2150 x 400 x 642 mm
• Weight: 300 kg (661 lb)
• Integrated safety: 1 STO function, SIL3 / Cat. PL e

These parameters matter in the field. The wide input voltage tolerance helps the drive ride through supply variations common on remote sites. Meanwhile, the 0 to +40 °C operating range and derating up to 50 °C support installation in enclosures where heat builds up. This unit is built for demanding environments, and its IP21 floor-standing design simplifies placement in a dedicated electrical room.

How Does This unit Handle Communication and Control?

Integration into plant networks is straightforward. The drive includes one Ethernet dual-port switch (RJ45) and one Modbus serial port (RJ45). Built-in protocols cover EtherNet/IP and Modbus TCP, while Modbus RTU/TCP serial is also supported. For other fieldbuses, one option slot accepts modules such as PROFINET, PROFIBUS DP V1, CANopen, DeviceNet, EtherCAT and POWERLINK.

Control I/O is comprehensive: 8 digital inputs at 24 V DC with positive or negative logic, 3 analog inputs, 2 analog outputs and 3 relay outputs. A single assignable digital output can be configured as Pulse Train Output (PTO). Up to 3 additional I/O modules can be added for extra capacity. Cybersecurity is addressed with Achilles Level 2 certification, which helps protect networked assets.

Integration Note: Wiring into fieldbus networks may require an external gateway or connection module. Confirm cables and gateways with PetroPartsOnline before commissioning.

Applications and Installation Guidance

Oil and gas operations often demand dependable motor control for pumps, fans and compressors. This unit suits these applications because its dual ND/HD rating allows one drive to serve different load profiles. In Normal Duty, it provides 110 kW with 120% overload for 60 s; in Heavy Duty, it delivers 90 kW with 150% overload for 60 s. This flexibility helps engineers standardize on a single model across varying duties.

Installation follows the clearance requirements in the manual: 100 mm above and below, and 10 mm in front. Terminal tightening torque for the supply and output copper busbar is 47 N·m (415 lbf·in). The drive requires an external braking unit; floor-standing models cannot connect to an external braking resistor. Ensure the installation site respects the environmental class IEC 60721-3-3 3C3 / 3S3 / 3M3 (except frame size 7).

Reliability and Maintenance in Harsh Environments

Reliability starts with thermal management. This unit dissipates 2412 W total in Normal Duty and 1921 W in Heavy Duty at nominal load. It requires a minimum air flow of 720 m3/h, so keep ventilation paths clear. Operating temperature is 0 to +40 °C standard, with derating from 40 to 50 °C. Above 1000 m altitude, derate nominal current by 1% per additional 100 m.

Periodic inspection should focus on cooling fans, filter cleanliness and terminal tightness. Because the drive is safety-rated (STO, SIL3 / Cat. PL e), always follow the manufacturer's safety manual for maintenance. The integrated Category C3 EMC filter helps limit emissions, but proper grounding remains essential. With field-proven design and a rugged floor-standing enclosure, This unit offers reliability you can depend on.

FAQ

What is the supply voltage for This unit?

This unit accepts a 380...440 V three-phase supply (-15%/+10%) at 50/60 Hz.

Can This unit operate at high temperatures?

The standard operating temperature range is 0 to +40 °C, with derating from 40 to 50 °C.

Does This unit include a braking resistor?

No, an external braking unit is required, and floor-standing drives cannot connect to an external braking resistor.

What safety functions does This unit provide?

It includes one STO (Safe Torque Off) function rated SIL3 / Cat. PL e.

What is This unit power rating?

This unit is rated 110 kW in Normal Duty and 90 kW in Heavy Duty.

Contact PetroPartsOnline for parts suited to your application's requirements.

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