Schneider ATV630D18N4 Variable Speed Drive, ATV630 18.5kW 380-480V, IP21

The Schneider Electric ATV630D18N4 is a variable speed drive from the Altivar Process ATV630 series, rated at 18.5 kW (25 hp) for normal duty on a three-phase 380-480 V supply. Designed for process and utility applications, it provides speed control for asynchronous and synchronous motors with IP21 enclosure protection and UL Type 1 rating.

Technical specifications:

• Commercial reference: ATV630D18N4
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Altivar Process ATV600
• Motor power: 18.5 kW / 25 hp (normal duty); 15 kW / 20 hp (heavy duty)
• Rated supply voltage: 380-480 V AC, three-phase, -15%/+10%
• Supply frequency: 50-60 Hz
• Continuous output current: 39.2 A at 4 kHz (normal duty); 31.7 A at 4 kHz (heavy duty)
• Output frequency range: 0.1-500 Hz
• Switching frequency: 2-12 kHz adjustable (nominal 4 kHz)
• Line short-circuit current (Isc): 50 kA
• IP protection rating: IP21 (IEC 60529, IEC 61800-5-1)
• UL enclosure type: UL Type 1 (UL 508C)
• Safety function: STO (Safe Torque Off) SIL 3
• Communication: Modbus TCP, Modbus serial (RS-485), Ethernet 10/100 Mbits
• Analog inputs: 3 x 12-bit (0-10 V DC or 0-20 mA)
• Digital inputs: 8
• Mounting: Wall mounting
• Dimensions (W x H x D): 211 x 546 x 232 mm
• Weight: 14.2 kg
• Control wiring: 0.5-1.5 mm² detachable screw terminals; power wiring: 10-16 mm²

Features and benefits:

• Integrated EMC filter supports motor cable lengths up to 150 m per IEC 61800-3 category C3, eliminating external filter requirements
• STO (Safe Torque Off) safety function rated SIL 3 for functional safety compliance
• Supports permanent magnet and synchronous reluctance motor control profiles in addition to standard asynchronous control
• Expandable via optional slot-A communication modules: Profibus DP V1, Profinet, DeviceNet, EtherNet/IP, and CANopen
• Acceleration and deceleration ramps independently adjustable from 0.01 to 9999 s

Applications:

• Variable speed motor drives in process industry and utility installations
• Pump and fan speed control in water treatment, HVAC, and building services
• Industrial automation panels requiring networked drive communication

Compliant with IEC 61800-3, IEC 61800-5-1, IEC 60529, and UL 508C. Part of the Schneider Electric Altivar Process ATV600 range.

Also known as: Schneider ATV630D18N4, Schneider Electric ATV630D18N4, Altivar 630 18.5 kW variable frequency drive.