Product Description:

The EFC3600-0K75-3P4-PDA-7P-NNNN is a compact frequency converter manufactured by Bosch Rexroth Indramat within the EFC Frequency Converters series. Designed for cabinet installation, it receives a three-phase 400 V supply and produces a variable voltage and frequency output that matches the operating requirements of conveyors, pumps, and fan drives used in automated machinery. By controlling the induction motor directly, the device helps reduce energy use and mechanical stress while coordinating motion with upstream programmable logic controllers through an integrated serial interface.

All setup and diagnostics are available over an RS485 channel, and each speed reference can be trimmed in increments of 0.01 Hz for accurate motor tuning. The inverter belongs to the 0.75 kW power class and draws 2.3 A of rated current from the mains under nominal operating conditions. Its enclosure carries an IP20 rating, so touch-safe ventilation openings are permitted when the unit is installed inside a protected panel. Panel space is kept low because the body measures 95 mm in width, 128 mm in depth, and 145 mm in height. Internally, the drive does not use vector processing and instead applies a fixed Volts-per-Hertz control method tied to user-defined curves.

The power stage produces a rated apparent output of 1.4 kVA, delivering 2.1 A to motors connected to 380 V equipment. At 480 V, the output current limit falls to 1.6 A, which helps prevent overcurrent in higher-voltage installations. Torque is regulated according to the V/F Control law, while supervisory commands, parameter uploads, and fault reporting travel over the ModBus protocol that shares the existing serial wiring. This arrangement permits multi-drop networking without additional gateways, keeps harmonic distortion low, and maintains compatibility with standard three-phase feeders used in industrial automation.