DFS Series

• Industrial Standard Cabinet Design: Easy integration into existing systems.
• Quick Installation & Operation: Equipped with a door-mounted HMI, multilingual interface, real-time clock, and intuitive PC tools.
• Diverse Options: EMC filtering, energy measurement, 24V backup power supply, integrated empty compartment.
• High Water and Dust Resistance: Standard IP23, with optional IP54 or IP55 for water-cooled versions.
• Smart Fan System: Helps control cabinet temperature, extending the lifespan of the equipment.

• Input Voltage: 380–480 VAC (±10%) or 500–690 VAC (±10%) – 50 Hz
• Power Range: Up to ~500 kW (depending on configuration)
• Maximum Continuous Current: ~874 A at 400 V (DFS2Q4EN)
• Maximum Output Frequency: 599 Hz
• Protection: IP23 (standard), IP54 (optional), IP55 water-cooled (special request)
• Mounting Type: Freestanding cabinet, pre-assembled
• Control Type: Open Loop, RFC (Rotor Flux Control)
• Standards: CE, IEC 61000-6-4, SIL3/PLe (STO)

The DFS Series is used in the following applications:

• Fans & Water Pumps (Water hammer control, catching a spinning motor, fire mode, energy saving).

• HVAC/R Systems (fans, compressors, central air conditioning systems).

• Cranes & Winches – Closed-loop control for high precision.

• Conveyors, Mixers, Crushers, Extruders – Requires precise torque and speed control.

• Tunnel Excavation, Large Drilling Operations – Requires high torque and maximum efficiency.

• Industrial Automation – Integrated PLC/PID onboard, supports high-performance sensors & motors.

The DFS Series can integrate various controllers to suit different applications:

• Unidrive M700/M701/M702: Motor control for servo or induction motors, supports multiple protocols (EtherNet/IP, Modbus/TCP, PROFINET RT…), and includes STO SIL3/PLe support.

• F600 Pump Drive: Sensorless motor control, optimized for pump applications, ensuring high efficiency.

• H300 HVAC Drive: Specifically designed for HVAC applications, supports BACnet, Modbus RTU – easily integrates with building management systems.

All controllers support frequencies up to 599 Hz, ensurin

• Time & Cost Savings: Reduces design and installation time and costs for large power drive systems.

• Energy Efficiency: Improves energy performance, especially in pump and HVAC applications.

• System Simplicity: Reduces system complexity with built-in features like PLC/PID, HMI, STO, etc.

• Safety & International Standards: Ensures safety with SIL3/PLe, CE certifications.

• Easy Maintenance & Quick Replacement: Modular design and global service support ensure ease of maintenance and quick replacement.

• Versatile for All Industrial Applications: Suitable for various sectors including manufacturing, infrastructure, and mining.

The Nidec DFS Series is a comprehensive large power drive solution, enabling industrial plants to implement systems quickly, reduce integration costs, and achieve optimal operational efficiency with high reliability.

With advanced control technology, a wide range of options, long-term warranty, and smart connectivity capabilities, the DFS Series is the ideal choice for modern pump systems, HVAC, mining, and industrial automation.