Product Description:

The EFC3610-4K00-3P4-MDA-7P-NNNNN-NNNN is a frequency converter manufactured by Bosch Rexroth Indramat for the EFC Frequency Converters series. It serves as an adjustable-speed drive that conditions three-phase mains power and supplies variable voltage and frequency to induction motors, thereby supporting precise flow or pressure regulation in automated plant equipment. Its integrated control terminals and fieldbus port allow direct connection to process controllers, while its cabinet-mount form factor suits standard industrial enclosures. This arrangement lets the converter coordinate motor speed with upstream automation commands during normal plant operation.

The drive delivers up to 4.0 kW of mechanical power to the connected motor, and its inverter section is rated for 6.4 kVA of apparent power. When supplied from a 380 V network, it draws a maximum line current of 11.9 A, while the same unit requires only 9.4 A at 480 V, allowing use on both IEC and NEMA power systems. Control wiring includes five digital inputs, two analog inputs, one analog output, and one relay output for contactor signaling. Parameter access and remote setpoints are transferred through an RS485 port that uses the Modbus protocol. The electronics are housed in a cabinet-mount frame with protection rated at IP20, and forced-air cooling moves heat across the internal heat sink to maintain component temperatures during continuous service. The available control terminals support common start, stop, reference, and monitoring functions used in standalone or networked motor control schemes.

During operation, the converter supplies phase-balanced output currents of 9.7 A at 380 V or 7.7 A at 480 V to the motor terminals, matching the stated power envelope without exceeding semiconductor limits. Internal switching losses and auxiliary electronics generate approximately 180 W of heat, and this thermal load is removed by a heat sink fan that moves 19.20 CFM of forced air through the chassis. Forced airflow also helps prevent localized hot spots around the power semiconductors and control boards during long runs at high load. These values help size cabinet ventilation while keeping the unit within its permitted temperature rise when the I/O channels and communication functions are active.