When a single drive must handle both normal and heavy duty loads

A common engineering challenge in oil and gas facilities is selecting a drive that can manage both continuous pumping and high-torque starting without oversizing the cabinet. The Schneider Electric ATV930U75N4Z solves this by offering dual ND/HD ratings in one compact unit. This three-phase variable speed drive delivers 7.5 kW (10 HP) in normal duty and 5.5 kW (7.5 HP) in heavy duty, with 120% and 150% overload capacity for 60 seconds respectively. Built for demanding environments, it integrates a braking unit, STO safety function, and dual-port Ethernet, making it a rugged and dependable choice for mission-critical processes.

Key features and technical specifications of the ATV930U75N4Z

• Supply voltage: 380...480 V three-phase (-15%/+10%), 50/60 Hz.
• Operating temperature: 0 to +40 °C standard; derating from 40 to 50 °C for cabinet integration version.
• Power supply: Integrated EMC filter category C2; built-in dynamic brake transistor requires external resistor (19 Ω minimum).
• Motor control: Asynchronous, synchronous PM, and synchronous reluctance motors in open- or closed-loop vector control.
• Integrated safety: STO function, SIL3 / Cat. PL e per IEC 61508 and ISO 13849-1.
• I/O: 3 analog inputs, 8 digital inputs (24 V DC), 2 analog outputs, 3 relay outputs, and 1 PTO digital output.
• Communication: Built-in Ethernet dual-port switch (EtherNet/IP, Modbus TCP) and Modbus serial port; one option slot for fieldbus modules.
• Protection rating: IP20 (bottom power terminals IP00).
• Dimensions (H×W×D): 345 x 155 x 225 mm.

How This unit addresses oil and gas reliability challenges

In upstream and midstream operations, drives often face wide temperature swings, humidity, and electrical noise. This unit is designed to operate in environmental class 3C3 / 3S3 / 3M3, ensuring resistance to these conditions. Its integrated EMC filter reduces harmonic distortion, while the dual-port Ethernet enables redundant network topologies for continuous monitoring. Additionally, the built-in braking chopper manages regenerative energy during rapid deceleration, protecting the drive and extending service life. For critical processes, the STO safety function allows safe torque off without cutting power to the entire cabinet, minimizing downtime.

Installation and setup considerations

Proper installation is key to reliable operation. The drive requires a minimum clearance of 100 mm above and below, and 10 mm in front for adequate airflow. Terminal tightening torque for frame 1-3 power terminals is 2.5 N·m. Because the drive is a cabinet integration version, ensure the enclosure provides sufficient cooling; required minimum air flow is 103 m3/h. When wiring the STO inputs, follow the manufacturer's safety manual. For network integration, the built-in Ethernet ports support EtherNet/IP and Modbus TCP, but fieldbus modules like PROFINET or DeviceNet require an optional module. Integration Note: wiring into such networks may require an external gateway or connection module; confirm cables and gateways with the supplier.

Maintenance and reliability practices

Regular inspection helps maintain dependable performance. Check cooling fans and heatsink fins for dust buildup, especially in oily environments. Verify terminal connections periodically to prevent loosening due to vibration. The drive's operating temperature range of 0 to +40 °C means that in hotter locations, derating or additional cooling may be necessary. For storage, the range is -40 to +70 °C. By following these practices, operators can maximize uptime and avoid unplanned outages.

Frequently asked questions

What is the input voltage range of This unit?

This unit accepts 380...480 V three-phase supply with -15%/+10% tolerance at 50/60 Hz.

Can This unit operate at temperatures above 40 °C?

Yes, but derating is required from 40 to 50 °C. Refer to the catalog for specific derating curves.

What is the minimum external brake resistor for this model?

The minimum external brake resistor is 19 Ω, as specified in the installation manual.

Does This unit include a safety function?

Yes, it includes a Safe Torque Off (STO) function certified to SIL3 / Cat. PL e.

How many I/O points are available on This unit?

Integrated I/O includes 3 analog inputs, 8 digital inputs, 2 analog outputs, 3 relay outputs, and 1 digital output configurable as PTO.

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

{"@context": "https://schema.org", "@graph": [{"@type": "Product", "name": "ATV930U75N4Z | Schneider Electric 7.5 kW 380-480V Drive", "mpn": "ATV930U75N4Z", "sku": "ATV930U75N4Z", "brand": {"@type": "Brand", "name": "Schneider Electric"}, "description": "When a single drive must handle both normal and heavy duty loads A common engineering challenge in oil and gas facilities is selecting a drive that can manage both continuous pumping and high-torque starting without oversizing the cabinet. The Schneider Electric ATV930U75N4Z solves this by offering dual ND/HD ratings in one compact unit. This three-phase variable speed drive delivers 7.5 kW (10 HP) in normal duty and 5.5 kW (7.5 HP) in heavy duty, with 120% and 150% overload capacity for 60 seco", "image": ["https://www.petropartsonline.com/wp-content/uploads/2026/10/1793287541-api_image__fpc1b7b129.jpg", "https://www.petropartsonline.com/wp-content/uploads/2026/10/1793287551-api_image__fp223f9062.jpg", "https://www.petropartsonline.com/wp-content/uploads/2026/10/1793287566-api_image__fp80dd8ffb.jpg"], "category": "Drives & Motion Control"}, {"@type": "FAQPage", "mainEntity": [{"@type": "Question", "name": "What is the input voltage range of This unit?", "acceptedAnswer": {"@type": "Answer", "text": "This unit accepts 380...480 V three-phase supply with -15%/+10% tolerance at 50/60 Hz."}}, {"@type": "Question", "name": "Can This unit operate at temperatures above 40 °C?", "acceptedAnswer": {"@type": "Answer", "text": "Yes, but derating is required from 40 to 50 °C. Refer to the catalog for specific derating curves."}}, {"@type": "Question", "name": "What is the minimum external brake resistor for this model?", "acceptedAnswer": {"@type": "Answer", "text": "The minimum external brake resistor is 19 Ω, as specified in the installation manual."}}, {"@type": "Question", "name": "Does This unit include a safety function?", "acceptedAnswer": {"@type": "Answer", "text": "Yes, it includes a Safe Torque Off (STO) function certified to SIL3 / Cat. PL e."}}, {"@type": "Question", "name": "How many I/O points are available on This unit?", "acceptedAnswer": {"@type": "Answer", "text": "Integrated I/O includes 3 analog inputs, 8 digital inputs, 2 analog outputs, 3 relay outputs, and 1 digital output configurable as PTO. Contact PetroPartsOnline for parts suited to your application's requirements."}}]}]}