Product Description:

The FECP01.2-55K0-3P400-A-BN-MODB-01V01 frequency converter is manufactured by Bosch Rexroth Indramat as part of the FEC Frequency Converters series. It modulates the speed of induction motors so pump and fan throughput can track process demand instead of running at a fixed speed. This first-generation unit in Design 2 is supplied as a compact drive module and is intended for mounting near the motor or inside a centralized panel, where its durable construction supports continuous-duty service. That arrangement helps the drive fit process equipment that needs steady motor control over long operating periods.

Rated output is 55 kW, enough to drive mid-range centrifugal pumps or multiple axial fans from one enclosure. The converter accepts a supply window of 3 AC 380 to 480 V, matching the 400 VAC mains common in industrial facilities. Its housing carries an IP20 protection class, so it must be installed in a closed cabinet for dust and moisture control. For transient demands, the drive can supply 120% for 60 seconds, and it will sustain 105% for 60 minutes without derating. This overload capacity helps the unit ride through startup surges, short process changes, and brief load increases without interrupting normal motor control.

Input power must be 3-phase, ensuring balanced line currents and full use of the internal rectifier. Control integration uses the ModBus interface, letting a PLC issue speed commands and read status data over standard shielded cabling. Regenerative energy during rapid deceleration is diverted to an external brake chopper, so a matching resistor bank can absorb returned energy during stopping events. The front frame measures 364 mm wide and uses a large panel format, which leaves room for orderly cable routing and surrounding power components. Because the converter is built without a potentiometer, all setpoints are entered digitally, which helps maintain consistent command input during long-term operation and reduces manual adjustment at the drive face.