Product Description:

The EFC5610-55K0-3P4-MDA-7P-DRNNN-L1NN belongs to the Bosch Rexroth Indramat EFC Frequency Converters series and is indexed within the EFC 5610 model range. As a variable-speed AC drive, it modulates line frequency to regulate induction motor speed and torque in automated machinery. It is listed as a frequency converter in the product range, and the unit is part of product line 02 with an I frame size for cabinet layouts that use a common mounting pitch with other EFC units.

The converter accepts a mains supply of 400 V (AC 380…480 V −15 % / +10 %) through three input conductors and delivers a heavy-duty motor rating of 55.0 kW. Drive regulation is executed by standard vector control (SVC), which provides stable torque control without encoder feedback. For functional safety, a built-in Safe Torque Off (STO) circuit removes gate signals to the power stage when an emergency stop is initiated. Conducted emissions are reduced by the integrated EMC filter classified as Industrial area, class C3, which removes the need for an external line filter in most plant environments. The electronic core uses the standard control configuration and the Flex-Control design, providing eight digital inputs, two analog channels, and relay output terminals that can be reassigned through parameter settings.

Field integration is handled via Modbus RTU on an RS-485 port, allowing direct communication with PLCs or HMIs for start, stop, and diagnostic functions. A front-mounted standard LCD display with potentiometer supports parameter entry and manual speed trimming during setup. The plastic housing conforms to IP 20, so it must be installed inside a protective panel while remaining accessible from the front face. Power is exchanged across a three-phase bus connection, and the equipment maintains control stability through the standard I/O set even when line harmonics fluctuate within the specified tolerance band.