Product Description:

The 15.F4.C0G-4B09 frequency inverter is produced by KEB as part of the F4 Combivert Frequency Inverters series. It is intended to regulate the speed and torque of three-phase AC motors in automated lines by supplying a variable frequency output derived from the plant mains. Within industrial automation, the unit bridges fixed utility power and dynamic motor demands, allowing conveyor sections, pumps, and positioning axes to accelerate, decelerate, or hold steady according to programmed commands. The inverter also communicates status and fault information to supervisory controllers so preventive actions can be taken without interrupting production.

Electrically, the drive accepts a 3-phase mains connection and can control motors up to 11 kW of rated shaft power. Output voltage is synthesized through Pulse-Width Modulation, giving smooth sinusoidal current for standard squirrel-cage machines. The housing carries an IP20 protective rating, so it must be installed inside a switchgear cabinet with forced ventilation. Compliance with EN 61800-3 ensures conducted and radiated emissions stay within industrial EMC limits, supporting coexistence with sensitive sensors and communication buses. Motor feedback is processed in real time to maintain slip-free speed regulation across the entire load range.

Control and diagnostic features are organized into 11 parameter groups and 8 parameter sets, which can be adjusted through the front keypad or a remote fieldbus. For real-time interfacing, the inverter offers 2 analog inputs, 4 digital inputs, a single analog output, one digital output, and two change-over relay contacts that can signal drive-ready or fault states to external interlocks. Environmental tolerances match climatic category 3K3; operation is permitted up to 95% relative humidity without condensation and to altitudes of 2000 m before current derating becomes necessary. These limits allow installation in most plant rooms and mezzanine enclosures without additional conditioning equipment.