What Is the ATV930C22N4 Variable Speed Drive?

The Schneider Electric ATV930C22N4 is a three-phase variable speed drive from the Altivar Process ATV930 series, rated for 380...480 V supplies with a dual ND/HD rating. It delivers 220 kW (350 HP) in normal duty and 160 kW (250 HP) in heavy duty, making it a rugged choice for mission-critical pump, fan and compressor duty in oil and gas operations.

Key Specifications at a Glance

• Supply voltage: 380...480 V three-phase (-15%/+10%), 50/60 Hz
• Normal duty power: 220 kW (350 HP), 120% overload for 60 s
• Heavy duty power: 160 kW (250 HP), 150% overload for 60 s
• Operating temperature: 0 to +40 °C standard, derating from 40 to 50 °C (IP00 cabinet version)
• Storage temperature: -40 to +70 °C
• Output frequency: 0.1...599 Hz
• Protection rating: IP00 (for mounting in enclosure; IP21/UL Type 1 requires separate conformity kit)
• Dimensions (H×W×D): 1195 x 440 x 380 mm
• Weight: 172.000 kg (379.195 lb)
• Integrated safety: 1 STO function, SIL3 / Cat. PL e per IEC 61508 and ISO 13849-1

How Does This unit Handle Demanding Loads?

This drive is dual-rated, so engineers can select normal duty or heavy duty according to the application. In normal duty, it supplies a maximum continuous output current of 427 A and a 60-second transient current of 512 A. In heavy duty, the continuous output current is 302 A with a 453 A transient rating. Such headroom supports high-inertia loads and frequent starts without nuisance trips.

The built-in dynamic brake transistor manages regenerative energy during rapid deceleration. An external braking resistor is required, with a minimum resistance of 1.4 Ω per installation manual NHA80932. This configuration is field-proven for cranes, hoists and other high-cycling machinery.

What Input Voltage and Power Supply Conditions Apply?

The drive operates on a 380...480 V three-phase supply with tolerance of -15%/+10% and a frequency of 50/60 Hz. Maximum input current is 397 A at 380 V in normal duty and 296 A at 380 V in heavy duty. Apparent power is 247 kVA at 380 V for normal duty and 187 kVA for heavy duty. The SCCR rating is 50 kA maximum per the catalog table.

For installation, ensure the enclosure provides the required airflow of 860 m3/h and observe clearances of 200 mm above, 150 mm below and 10 mm in front. Power dissipation is 5214 W in normal duty and 3735 W in heavy duty at nominal load.

How Does the Drive Integrate with Control Systems?

Built-in communication includes one Ethernet dual-port switch (RJ45) and one Modbus serial port (RJ45). EtherNet/IP and Modbus TCP protocols are supported natively. For other fieldbuses, one option slot accepts modules such as PROFINET, PROFIBUS DP V1, CANopen, DeviceNet, EtherCAT or POWERLINK. The drive is Achilles Level 2 certified for cybersecurity.

Integrated I/O covers 8 digital inputs (24 V DC, positive or negative logic), 3 analog inputs, 2 analog outputs and 3 relay outputs. Up to three additional I/O modules can be added for expanded connectivity.

What Environmental and Safety Ratings Matter?

This unit is designed for harsh conditions. It meets IEC 60721-3-3 class 3C3 / 3S3 / 3M3 (except frame size 7) and carries certifications including UL 508C, UL61800-5-1, EN/IEC 61800-3 and IEC 61508. The integrated STO function achieves SIL3 / Cat. PL e, enabling safe torque off without external contactors.

Relative humidity tolerance is 5 to 95% non-condensing. Altitude derating is 1% per additional 100 m above 1000 m, up to 3000 m.

Frequently Asked Questions

What is the power rating of This unit?

This unit provides 220 kW (350 HP) in normal duty and 160 kW (250 HP) in heavy duty, with 120% and 150% overload respectively for 60 seconds.

Can This unit operate at high ambient temperatures?

The standard operating temperature range is 0 to +40 °C. Derating is required from 40 to 50 °C for the IP00 cabinet version, per catalog p.17.

What communication protocols are built into This unit?

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

Does This unit include a braking unit?

Yes, it has a built-in dynamic brake transistor (chopper). An external braking resistor with a minimum resistance of 1.4 Ω is required.

What is the input voltage range for This unit?

The drive accepts 380...480 V three-phase (-15%/+10%) at 50/60 Hz, with a maximum input current of 397 A at 380 V in normal duty.

For application-specific selection guidance and reliable sourcing of This unit, contact PetroPartsOnline for parts suited to your application's requirements.

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