The FTRmax series of intelligent soft starting devices for high-voltage motors boasts a wide range of voltage and capacity coverage, powerful functions, multiple programmable digital input and relay output signals, as well as multiple programmable analog input and output. It also supports Modbus/RTU and Profibus-DP protocols, ensuring strong product compatibility and seamless integration with external device signals. This product is primarily used for controlling the start and stop of AC asynchronous motors with a rated voltage of 3.3kV-15kV, a frequency of 50/60Hz±5%, and a rated power of 250kW-16000kW. Utilizing superior motor control technology, the product integrates functions such as motor starting, data acquisition and display, motor protection, and soft stopping into one unit. Its unique vertical touchscreen display interface allows for easy access to historical data curves or data at any time, making operation simple and efficient.
Basic Parameters | Description |
Efficiency | 99.95% |
Voltage Drop | 2.5V per thyristor without bypass, total below 1V with bypass |
Isolation Method | Photoelectric isolation |
Kick Start Voltage , Time | 40-100%Ue, adjustable within 0.02-2.00S |
Ramp Initial Voltage & Time | 100-500%Ue, adjustable within 1-200S |
Current Limit Value, Protection Time | 100-500%, adjustable within 1-200S |
Soft Stop Voltage & Time | 50-100%Ue, adjustable within 1-30S |
Starting Overload Capacity | 0-16 levels |
Operating Overload Capacity | 0-8 levels |
Over Load Protection Value | 800%, adjustable within 1-10s |
Unload Protection Value | 50% 1-10s adjustable |
Analog Input Signal | 0-10V/4-20mA, control accuracy 0.01A, one channel |
Analog Output Signal | 4-20mA, current resolution 0.02A, one channel |
Digital Input Signal | Active normally open point, optical coupler isolation, one channel |
Bypass Relay Output | Contact drive capability AC250V10A, DC30V5A |
Fault Relay Output | Contact drive capability AC250V5A, DC30V5A |
Programmable Relay Output | Contact drive capability AC250V5A, DC30V5A |
Communication Interface | RS485, baud rate 1200-38400bps, 8 data bits, supporting odd/even/no parity, 2 stop bits, supports Modbus-RTU and Profibus-DP protocols, configurable slave address range 1-128 |