Product Introduction
The KEB 12F5C1B-350A is a robust compact drive from the Combivert F5 series, engineered for general-purpose industrial motor control. Operating on a 3-phase 400 VAC supply, this drive delivers 4 kW of output power with a wide frequency range of 0–800 Hz. The IP20 enclosure and built-in braking resistor make it a reliable choice for demanding automation environments.
Technical Specifications
| Parameter |
Value |
| Input Voltage |
400 VAC, 3-phase |
| Output Power |
4 kW |
| Rated Output Current |
9.5 A |
| Output Frequency |
0–800 Hz |
| Enclosure Rating |
IP20 |
| Analog Inputs |
2 |
| Digital Inputs |
8 |
| Analog Outputs |
2 |
| Relay Outputs |
2 |
| Communication |
RS232/RS485 (Modbus RTU) |
| Control Method |
Sensorless Vector Control |
| Built-in Braking Resistor |
Yes |
| EMC Filter |
Available upon request |
| Ambient Temperature |
–10 to +45°C |
| Storage Temperature |
–25 to +70°C |
| Dimensions (H x W x D) |
22 x 9 x 16 cm |
| Weight |
2 kg |
Industry Applications
The KEB 12F5C1B-350A excels in conveyor systems, pump and fan control, packaging machinery, and other general-purpose applications. Its sensorless vector control provides excellent torque at low speeds, making it suitable for demanding load profiles. When upgrading from older drives, the 12F5C1B-350A offers improved efficiency and a compact footprint.
Installation & Setup Guidance
Mount the KEB 12F5C1B-350A vertically in a clean, ventilated area to ensure proper cooling. Verify that the input voltage matches the nameplate rating (400 VAC, 3-phase). Use shielded cables for analog and communication signals to minimize electromagnetic interference. The built-in braking resistor is preconnected; for external resistor use, follow the manual for wiring.
Maintenance & Reliability
Regularly inspect the cooling fan and clean the heat sink from dust accumulation. Check the braking resistor connections periodically. The IP20 design protects against solid objects but not moisture; install in a dry cabinet. Proper maintenance extends the service life of the KEB 12F5C1B-350A and reduces downtime.
Selection Guide & Purchasing Advice
Before purchasing, confirm that your motor’s voltage and current are within the drive’s ratings. The ambient temperature must remain between –10°C and +45°C. For EMC compliance, request the external filter if needed. UBEST Automation provides genuine KEB 12F5C1B-350A drives with reliable support and fast delivery.