Technical Specifications

FAQ

1. What is the Schneider Electric ATV610C25N4 used for?
The Schneider Electric ATV610C25N4 is a high-power variable-speed drive from the Easy Altivar 610 family. It is designed for controlling large three-phase motors used in applications such as pumps, fans, compressors, conveyors, and industrial process equipment. The drive is particularly suitable for applications requiring continuous motor speed control, reliable operation, and integration into industrial automation systems.

2. What motor power does the ATV610C25N4 support?
The ATV610C25N4 supports motors rated up to 250 kW / 400 hp in Normal Duty applications and 200 kW / 300 hp in Heavy Duty applications. The appropriate rating should be selected according to the actual load characteristics. Motor rated current, starting torque, overload requirements, acceleration profile, and operating cycle should all be considered before selecting the drive.

3. What power supply is required for the ATV610C25N4?
The ATV610C25N4 is designed for a three-phase 380–460 V AC supply with a frequency of 50–60 Hz ±5%. Because this is a high-power drive, the incoming electrical system should be designed with correctly rated circuit protection, isolation equipment, grounding, and power conductors. The available short-circuit current should also be checked against the drive’s specified installation requirements.

4. What are the continuous and transient output current ratings of the ATV610C25N4?
At a nominal switching frequency of 2.5 kHz, the continuous output current is 481 A in Normal Duty and 370 A in Heavy Duty. The maximum transient current is 529 A for 60 seconds in Normal Duty and 555 A for 60 seconds in Heavy Duty. These transient values apply only under the specified overload conditions and should not be considered continuous operating current ratings.

5. Which motor control modes are available on the ATV610C25N4?
The ATV610C25N4 provides Variable Torque and Optimized Torque control modes for asynchronous motors. Variable Torque mode is commonly used for centrifugal pumps and fans, while Optimized Torque can be used where the motor response needs to be adapted to the characteristics of the connected application. Correct motor data and control parameters must be entered during commissioning.

6. Can the ATV610C25N4 communicate with a PLC or SCADA system?
Yes. The drive provides a Modbus Serial communication interface through a 2-wire RS-485 connection. Supported transmission rates include 4.8, 9.6, 19.2, and 38.4 kbit/s. A PLC, HMI, or SCADA system can use Modbus to monitor drive status, frequency, current, alarms, and fault information, as well as send commands and speed references.

7. What should be checked when the ATV610C25N4 has an overcurrent or overload fault?
First check whether the motor parameters programmed into the drive match the actual motor nameplate data. Then inspect the motor cables, terminals, and insulation for phase-to-phase faults, ground faults, or loose connections. The mechanical load should also be checked for blockage, excessive friction, bearing problems, or an unexpected increase in torque demand. If the fault occurs during acceleration, review the acceleration ramp and load inertia. For faults during deceleration, check the deceleration settings and braking conditions. The drive fault code should be evaluated together with the measured motor current and actual machine operating conditions.

8. How should the Schneider ATV610C25N4 be commissioned after installation?
Before energizing the drive, verify the three-phase input supply, protective earth, power connections, motor wiring, control circuits, and communication wiring. Enter the motor nameplate parameters accurately and select the appropriate Normal Duty or Heavy Duty operating mode. Configure the motor-control mode, frequency limits, acceleration and deceleration ramps, current limits, preset speeds, and protection functions. Perform the initial motor test at low speed and reduced load to verify rotation direction, output current, speed response, and basic control operation. After this test, verify Modbus communication, remote commands, alarms, interlocks, and required I/O functions before progressively increasing the machine load to normal operating conditions.