PSI63C0.775-L1 Bosch Rexroth Indramat
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MPN: R911330318
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The Bosch Rexroth Indramat PSI63C0.775-L1 is a medium frequency inverter from the PSI Frequency Inverters series. It operates with a mains voltage of 400 to 480 VAC, a mains frequency of 50 or 60 Hz, and features air cooling with a maximum cooling loss of 360 W. The inverter has an integrated power supply unit with a 24 VDC output voltage and a maximum output current of 2 A, while offering IP20 protection and an approximate weight of 20 kg.
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Product Description:
The PSI63C0.775-L1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat within the PSI Frequency Inverters series. This device converts three-phase utility power into a regulated medium-frequency output that drives induction coils, hardening generators, or other loads requiring controlled high-frequency energy in automated production lines. The model integrates air cooling and cabinet-mount wiring to fit standard electrical enclosures.
It connects to 400–480 VAC mains and operates at 50 or 60 Hz, eliminating the need for step-up transformers in most European and North American plants. Thermal management uses air cooling; under continuous load, the inverter dissipates up to 360 W, so enclosure airflow must accommodate this heat output. Forced air can be routed across the finned heat sink to keep semiconductor junctions below their trip point. The electronics are protected by an IP20 enclosure that blocks accidental contact with live parts while allowing ambient convection, so installation inside a dust-tight cabinet is recommended. Timing and diagnostic functions are available through the specified Ethernet timer interface, simplifying integration with modern PLC networks.
The 3K3 climatic class indicates suitability for indoor areas without condensation, ice, or aggressive salt. The unit sustains full performance between +10 and +55 °C; for logistics, it tolerates storage from -25 to +70 °C without component degradation. The integrated supply module provides 2 A at 24 VDC, enough to energize contactors, sensors, or fieldbus couplers directly. Weighing about 20 kg, the inverter mounts on standard backplanes, and its mass permits installation with suitable cabinet lifting equipment. The timing interface supports coordinated switching sequences in multi-inverter assemblies.
