Product Description:

The PSI6300.637-L2 is part of the PSI Frequency Inverters series manufactured by Bosch Rexroth Indramat. Classified as a medium frequency inverter, it converts the plant’s three-phase mains into a regulated output that matches process demands, allowing automated equipment to run at controlled speed and power. By combining high current capability with fieldbus connectivity, the unit provides a single package for energy conversion and coordinated drive control inside industrial panels.

The electrical section accepts a mains window of 480 – 690 VAC and is stabilized by an internal clock operating at 1 kHz, a rate that sets control loop resolution and response time. Peak load handling is covered by a maximum output current of 800 A, while normal duty draws a nominal system current of 110 A. Logic and interface electronics are supplied from an external 24 VDC source, separating control power from the high-energy path. The unit operates from a three-phase network, and status, parameter, and timer functions are exchanged on the DeviceNet I/O network, which carries 72 signals and supports a program capacity of 256 user-defined steps.

Thermal management relies on air cooling, and the fan stream removes up to 360 W of inverter loss without liquid auxiliary circuits. The assembly carries a protection degree of IP20, indicating finger-safe covers suitable for clean switchgear rooms with no direct liquid exposure. Continuous service is permitted at ambient temperatures up to 55 °C, and cabinet dissipation remains limited to 200 W to ease HVAC sizing. Mechanical dimensions of 463 x 239 x 280 mm allow vertical mounting alongside other drives, while power terminations accept 35 mm² conductors and a 50 mm² terminal block for the DC link. Integrated DeviceNet timing handles timer functions without separate hardware timers, simplifying wiring and reducing panel depth.