PSI63C0.133-W1 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat PSI63C0.133-W1 is part of the PSI Frequency Inverters series and uses a water-cooled method with an IP20 protection rating. It operates with a logic supply voltage of 24 VDC and supports mains voltages between 400 and 480 VAC. The inverter features a 9-pin D-Sub programming connector, V24/RS232 interface, and a backup battery voltage of 3.6 V.
Internal Product Review
The PSI63C0.133-W1 is a Bosch Rexroth Indramat frequency inverter with water-cooled thermal management and IP20 protection. The 400 to 480 VAC mains range and 24 VDC logic supply support stable integration in controlled industrial drive systems. The V24/RS232 programming interface and 1 ms time resolution add valuable commissioning precision.
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Product Description:
The PSI63C0.133-W1 belongs to the PSI Frequency Inverters series produced by Bosch Rexroth Indramat. Designed for cabinet installation, this inverter supplies variable output to three-phase motors so conveyors, pumps, or presses can run at the speed requested by the PLC. By varying output frequency and voltage, it helps match motor speed to process demand instead of forcing equipment to run at fixed line speed. Internal control electronics are supported by a 3.6 V backup battery that preserves stored parameters during power loss. A V24/RS232 serial port also allows direct setup from a local terminal, which is useful when operating values need to be checked or adjusted.
This model uses a water-cooled plate that carries heat away from the power semiconductors, allowing full current delivery without external fans. Because heat is transferred into the cooling circuit rather than released directly into the cabinet air, panel temperatures can remain more stable in dense installations. Its enclosure has an IP20 rating, which protects users from contact with live parts while remaining suitable for clean control rooms. The logic circuits are supplied with 24 VDC, and the input can vary by +20%/−15% before the inverter declares a fault, giving the control supply tolerance for brownouts and overvoltage conditions. Motor power comes from the plant network, and the unit can withstand peaks up to 480 VAC to match common industrial supply conditions. The lowest ambient operating limit is 0 °C, which helps protect condensation-sensitive electronics during cold starts.
At supply levels up to 400 VAC, the inverter can remain in continuous service without derating. Thermal limits are maintained until the heat-sink coolant rises to +55 °C. Access to parameter settings is provided through the 9-Pin D-Sub connector. The inverter timestamps status words with a resolution of 1 ms, which supports tight velocity loops in pick-and-place axes. That timing also helps higher-level controls react quickly to speed changes, interlocks, and commanded transitions during repetitive motion tasks. For warehouse storage, the unit tolerates −25 °C to +70 °C so the electronics can remain intact during prolonged downtime.
