Frequency converters for any application
The EFC 3610 and EFC 5610 frequency converters from Rexroth control speed on demand, thus significantly reducing the energy consumption of pumps, compressors and fans. They can be integrated into many different kinds of machines as compact units for speed and torque control. Together with permanent magnet motors, the frequency converters increase energy efficiency and the continuously adaptable pulse frequency minimises motor noise at the same time. Integrated energy counters measure actual consumption and show valuable information for the energetic optimization of machines and systems. These frequency converters can be easily integrated into an automation network via a Modbus interface included as standard or an optional Profibus module. With the integrated sequence control with 16 levels, independent sequences can be parameterized. The protection function for pump operation and motor temperature monitoring protect the system during critical process conditions.
The two frequency converter series cover the power spectrum from 0.4 to 18.5 kW. In addition to the freely definable V/f operation, the EFC 5610 also offers vector control for an optimal torque curve. In heavy duty mode, the overload capacity can be maintained at up to 150 % for 60 s. The high-torque EFC 5610 frequency converter also offers an optimal start torque of 200 % at 0.5 Hz.
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