Schneider Electric ATV930U15N4Z is a three-phase variable speed drive from the Altivar Process ATV930 series, rated 1.5 kW (2 HP) in normal duty and 0.75 kW (1 HP) in heavy duty for 380...480 V supplies. When a pump or fan motor starts direct-on-line, the resulting inrush current stresses contactors and upstream protection; this drive limits starting current while providing dual ND/HD overload capability.

What makes the ATV930U15N4Z suited to mission-critical processes?

This unit is built for demanding environments where continuous operation matters. Its dual rating lets one frame serve both normal-duty and heavy-duty loads. The integrated STO safety function achieves SIL3 / Cat. PL e per IEC 61508 and ISO 13849-1, supporting safe stopping without external contactors. A built-in dynamic brake transistor handles regenerative energy, though an external braking resistor is required, with 56 Ω minimum per installation manual NHA80932.

Key specifications and I/O at a glance

• Supply voltage: 380...480 V three-phase (-15%/+10%), 50/60 Hz
• Normal duty (ND): 1.5 kW (2 HP), 120% overload for 60 s, 4.0 A maximum continuous output current
• Heavy duty (HD): 0.75 kW (1 HP), 150% overload for 60 s, 2.2 A maximum continuous output current
• Operating temperature: 0 to +40 °C standard, derating from 40 to 50 °C (cabinet integration version)
• Storage temperature: -40 to +70 °C
• Relative humidity: 5 to 95% non-condensing per IEC 60068-2-3
• Protection rating: IP20 (bottom power terminals IP00)
• Digital inputs: 8 inputs, 24 V DC, positive or negative logic
• Analog inputs: 3 inputs (2 configurable 0...10 V or 0/4-20 mA with probe input; 1 configurable 0...±10 V)
• Analog outputs: 2 outputs configurable as 0...10 V or 0/4-20 mA
• Relay outputs: 3 outputs (1 NO/NC + 2 NO)
• Digital output: 1 assignable, configurable as Pulse Train Output (PTO)
• Built-in ports: 1 Ethernet dual-port switch (RJ45); 1 Modbus serial port (RJ45)
• Protocols: EtherNet/IP and Modbus TCP (dual-port, built-in); Modbus RTU/TCP serial
• Option slot: 1 slot for fieldbus modules (PROFINET, PROFIBUS DP V1, CANopen, DeviceNet, EtherCAT, POWERLINK)
• Cybersecurity: Achilles Level 2 certified
• EMC filter: Category C2 integrated
• Dimensions (H×W×D): 285 x 130 x 196 mm
• Power dissipation: 74 W total (ND) / 47 W total (HD) at nominal load
• Required minimum air flow: 38 m3/h
• Installation clearance: 100 mm above and below, 10 mm front (Frame 1-5)
• Terminal tightening torque: 2.5 N·m (Frame 1-3 power terminals)
• SCCR: 50 kA maximum per catalog table
• Altitude derating: up to 1000 m no derating; 1000-3000 m, derate nominal current by 1% per additional 100 m
• Environmental class: IEC 60721-3-3 class 3C3 / 3S3 / 3M3 (except frame size 7)
• Certifications: UL 508C, UL61800-5-1, EN/IEC 61800-3 (category C2/C3), EN/IEC 61800-5-1, IEC 61508, IEC 13849-1, Achilles Level 2, REACH, SEMI F47-0706

How does the drive handle harsh oil and gas environments?

This unit is built for demanding environments. Its environmental class 3C3 / 3S3 / 3M3 covers humidity, vibration and temperature extremes found in process areas. The integrated Category C2 EMC filter reduces high-frequency interference on supply lines, while the IP20 enclosure suits cabinet mounting. For reliable sourcing of mission-critical spares, PetroPartsOnline stocks this model.

What input voltage and power supply conditions does it require?

Connect the drive to a 380...480 V three-phase supply with tolerance -15%/+10% at 50/60 Hz. Maximum input current is 3.0 A at 380 V (ND) or 1.7 A at 380 V (HD). The integrated EMC filter is Category C2. Ensure upstream protection coordinates with the 50 kA SCCR rating. For 24 V DC digital inputs, provide a regulated supply; the drive does not include one.

Installation and integration notes

Mount the drive vertically with 100 mm clearance above and below and 10 mm in front. Tighten power terminals to 2.5 N·m. The built-in Ethernet dual-port switch and Modbus serial port simplify connection to plant networks. For fieldbus protocols such as PROFINET or EtherNet/IP, use the option slot with a compatible module; confirm gateway and cabling requirements with PetroPartsOnline. The STO function requires two safety inputs; follow the manufacturer's safety manual for wiring.

Maintenance and reliability

Inspect the heatsink and fan periodically; the required minimum air flow is 38 m3/h. Verify terminal torque at scheduled shutdowns. The drive's power dissipation is 74 W (ND) or 47 W (HD), so cabinet thermal management must handle that load. Store spare units within -40 to +70 °C. With SIL3 / Cat. PL e safety and Achilles Level 2 cybersecurity, This unit offers reliability you can depend on for critical operations.

FAQ

What is the motor power rating of This unit?

This unit delivers 1.5 kW (2 HP) in normal duty and 0.75 kW (1 HP) in heavy duty, with 120% and 150% overload for 60 s respectively.

Can This unit operate at ambient temperatures above 40 °C?

Yes, This unit operates from 0 to +40 °C standard, with derating required from 40 to 50 °C per catalog p.17.

What safety integrity level does This unit support?

This unit includes one STO function achieving SIL3 / Cat. PL e per IEC 61508 and ISO 13849-1.

What is the minimum braking resistor for This unit?

This unit requires an external braking resistor of at least 56 Ω, as stated in installation manual NHA80932.

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