PSI6300.001-L1 Bosch Rexroth Indramat
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MPN: R911173850
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The Bosch Rexroth Indramat PSI6300.001-L1 is a medium frequency inverter from the PSI Frequency Inverters series. It operates at a mains voltage of 400 to 480 VAC and a frequency of 50 or 60 Hz, with an IP20 degree of protection. The unit is air cooled, has a weight of approximately 20 kg, and features an integrated power supply unit providing up to 2 A at 24 VDC.
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Product Description:
The PSI6300.001-L1 belongs to the PSI Frequency Inverters series manufactured by Bosch Rexroth Indramat. As a medium-frequency inverter, it converts three-phase utility power into a controllable medium-frequency output that drives induction heating coils, brazing stations, or other energy-intensive loads in automated production lines. The unit integrates a low-voltage supply section and monitoring circuits, allowing a single frame to provide both process power and the control energy required by sensors, relays, and supervisory electronics.
The inverter accepts a three-phase supply within a range of 400–480 VAC, covering common industrial mains voltages without requiring a transformer. An internal auxiliary rail provides 24 VDC at a maximum current of 2 A, so field devices such as contactors or PLC input cards can be powered directly from the drive. The enclosure has an IP20 protection rating, which guards against accidental finger contact and prevents objects larger than 12 mm from entering. The unit must still be installed inside a suitable cabinet in areas exposed to dust or splashing liquids. Heat is removed through air cooling, and climatic category 3K3 per EN 60721-3-3 indicates suitability for temperature-controlled production areas with moderate humidity and vibration.
With a mains frequency of 50 or 60 Hz, the control electronics synchronize gating sequences with the incoming sinusoidal waveform, helping to keep line harmonics within accepted limits. Under continuous full-load conditions, the power stage dissipates 360 W as heat, and this value determines the airflow required from the host cabinet. Continuous operation is permitted at ambient temperatures from +10 to +55 °C; outside this range, thermal sensors initiate derating or shutdown. During storage, the unit can withstand temperatures from -25 to +70 °C without damage to capacitors or solder joints. The assembly weighs 20 kg, so the mounting rails and panel structure must provide adequate mechanical support. Proper cabinet spacing should also maintain unobstructed airflow around the inverter and prevent discharged heat from circulating back through the cooling path.
