PSI64C0.100-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI64C0.100-W1 is a medium frequency inverter in the PSI Frequency Inverters series and weighs 40 kilograms. It is water cooled with a minimum water flow of 4 liters per minute and maximum cooling losses of 700 watts. The inverter offers 21 discrete 24 V inputs, 13 discrete 24 V outputs, and supports a mains voltage from 400 to 480 VAC with a nominal current of 220 amps.
Internal Product Review
The PSI64C0.100-W1 is a Bosch Rexroth Indramat medium frequency inverter that stands out for water-cooled operation and a 400 to 480 VAC mains voltage range. A 220 A nominal mains current and 21 discrete 24 V inputs make this unit well suited for demanding power conversion and control integration. Strong thermal performance is a key advantage, highlighted by 700 W maximum cooling losses.
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Product Description:
The PSI64C0.100-W1 is a medium-frequency inverter manufactured by Bosch Rexroth Indramat for the PSI Frequency Inverters series. It converts three-phase mains power into a regulated medium-frequency output that drives induction heaters, brazing stations, and other automated processes that require controlled thermal energy. By modulating electrical current through an external work coil, the device delivers contact-free heat exactly where it is needed within industrial production cells.
The inverter operates from a three-phase supply of 400 – 480 VAC, and its nominal mains draw is 220 A. A 95 mm² connection cross-section supports that current without excessive conductor heating. Internal thermal dissipation begins at 69 W for basic cabinet losses and rises to 210 W when the drive reaches maximum modulation depth. The water-cooled housing can expel up to 700 W of heat through its integrated plate exchanger. Twenty-one discrete 24 V inputs and thirteen discrete 24 V outputs link sensors and actuators through the 24 V I/O interface; channel O0 supplies +24 V at 1 A, while channels O1 through O12 provide +24 V at 0.1 A. These signals allow the inverter to exchange interlocks, status information, and cycle commands with surrounding machine controls. A 24 V timer stage coordinates external sequence events for synchronized machine operation.
For high-power bursts, the unit can supply a primary current of 1600 A, enabling the partnered PSG 3100 transformer to deliver a secondary pulse of 70 kA to the workpiece circuit. Continuous operation at these levels requires a minimum coolant flow of 4 l/min, and the pressure drop across the internal passages remains at 0.6 bar when that flow is maintained. This coolant path helps keep semiconductor temperatures controlled during sustained heating cycles. With a total weight of 40 kg, the inverter is intended for cabinet installation where both power and coolant connections can be routed directly to the unit.
