What makes the ATV930U07N4Z a dependable choice for cabinet integration?

The Schneider Electric ATV930U07N4Z is a three-phase variable speed drive from the Altivar Process ATV930 series, rated for 380...480 V supplies and delivering 0.75 kW in normal duty or 0.37 kW in heavy duty. Its dual ND/HD rating and built-in braking unit make it a rugged, field-proven solution for panel builders and maintenance teams.

Key features and technical specifications

• Supply voltage: 380...480 V three-phase (-15%/+10%), 50/60 Hz.
• Motor power (ND): 0.75 kW (1 HP) with 120% overload for 60 s.
• Motor power (HD): 0.37 kW (0.5 HP) with 150% overload for 60 s.
• Output frequency: 0.1...599 Hz for flexible speed control.
• Integrated safety: 1 STO function, SIL3 / Cat. PL e per IEC 61508 and ISO 13849-1.
• Braking: Built-in dynamic brake transistor; external resistor required (56 Ω minimum).
• Operating temperature: 0 to +40 °C standard, derating up to 50 °C.
• Protection rating: IP20 (bottom power terminals IP00).
• Dimensions (H×W×D): 285 x 130 x 196 mm.
• Power dissipation: 50 W total (ND) / 39 W total (HD) at nominal load.

These parameters highlight the drive's suitability for harsh oil & gas environments, where reliable operation and straightforward maintenance are mission-critical.

How does This unit simplify integration and maintenance?

From a maintenance engineer's perspective, This unit offers practical features that reduce downtime. The built-in Ethernet dual-port switch and Modbus serial port enable direct connection to industrial networks without extra hardware. For fieldbus systems such as PROFINET or EtherNet/IP, an option slot accepts communication modules. However, wiring into such networks may require an external gateway or connection module; confirm cables and gateways with the supplier.

The drive includes 8 digital inputs, 3 analog inputs, 2 analog outputs, and 3 relay outputs, providing ample I/O for typical control tasks. Up to 3 additional I/O modules can be added via expansion, allowing adaptation to specific application needs. The integrated STO safety function simplifies compliance with machine safety requirements, while the Category C2 EMC filter reduces interference in sensitive environments.

Installation is straightforward with clear clearance requirements: 100 mm above and below, and 10 mm in front. Terminal tightening torque is 2.5 N·m for frame 1-3 power terminals. The drive's environmental class 3C3 / 3S3 / 3M3 ensures resistance to common industrial contaminants.

Applications and use cases

This drive is well-suited for pump, fan, and compressor applications in oil & gas processing where precise speed control and energy efficiency matter. Its dual rating allows engineers to select the appropriate overload profile: normal duty for variable torque loads, heavy duty for constant torque loads. The built-in braking unit supports applications requiring rapid deceleration, such as centrifuge or conveyor systems. With an operating temperature range up to 50 °C with derating, it can be deployed in many cabinet environments without additional cooling.

Maintenance and reliability considerations

Regular inspection of the drive's cooling path is recommended, as the required minimum air flow is 38 m3/h. Check fan operation and clean or replace filters as needed. Verify terminal tightness periodically, especially after initial commissioning. The drive's power dissipation of 50 W (ND) means cabinet thermal management should account for this load. For harsh environments, ensure the enclosure maintains the IP20 rating and protects against conductive dust. The STO function should be tested according to the machine's safety schedule. Spare parts and technical support are available from PetroPartsOnline.

Frequently asked questions

What is the supply voltage for This unit?

This unit operates on a 380...480 V three-phase supply with -15%/+10% tolerance and 50/60 Hz frequency.

Can This unit be used in safety-related applications?

Yes, it includes a Safe Torque Off (STO) function certified to SIL3 / Cat. PL e per IEC 61508 and ISO 13849-1, making it suitable for machine safety circuits.

What is the operating temperature range of This unit?

The standard operating temperature is 0 to +40 °C, with derating permitted up to 50 °C. Storage temperature ranges from -40 to +70 °C.

Does This unit include a braking resistor?

No, the drive has a built-in dynamic brake transistor but requires an external braking resistor with a minimum resistance of 56 Ω.

What communication protocols are built into This unit?

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

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

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