PSI6100.333-W2 Bosch Rexroth Indramat
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MPN: R911170682
The Bosch Rexroth Indramat PSI6100.333-W2 is a medium frequency inverter from the PSI Frequency Inverters series. It supports a mains voltage of 480 to 690 VAC and an inverter frequency of 1000 Hz. This unit features water cooling with a minimum water flow of 4 liters per minute and a maximum water inlet temperature of 30°C. It has an IP20 degree of protection and operates at a maximum ambient temperature of 55°C.
Internal Product Review
The PSI6100.333-W2 is a medium frequency inverter with water-cooled thermal management and a 1000 Hz inverter frequency. The 480 to 690 VAC mains voltage range and IP20 protection make this unit a strong fit for controlled industrial cabinet applications.
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Product Description:
The PSI6100.333-W2 medium-frequency inverter is built by Bosch Rexroth Indramat for the PSI Frequency Inverters series. As a power conversion unit for induction heating and other high-frequency applications, the inverter supplies regulated AC to connected loads, allowing precise energy delivery in automated processes. Its integrated timers and diagnostic tools support repeatable duty cycles in production lines such as brazing stations or shrink-fit assemblies. Stable output control also helps maintain consistent heating behavior from one cycle to the next. This makes the unit suitable for processes that require fast heating response and controlled dwell time.
It supports an inverter output frequency of 1000 Hz, enabling control of work coils that demand rapid magnetic field changes. The mains supply can be anywhere between 480 – 690 VAC, so the unit fits plant networks without external transformers. Internal losses are limited to 100 W under basic loading and rise to 140 W at maximum current, figures that aid cabinet thermal calculations. Its enclosure meets IP20 protection, which permits installation inside a closed control rack but requires the surrounding cabinet to provide touch-safe guarding. It can operate continuously in ambient air up to 55 °C and at elevations up to 2000 m above sea level without derating. This operating range supports installation in warm electrical enclosures and at moderate plant elevations.
Water circulation maintains semiconductor temperature. The designated cooling method is water cooling with a minimum flow of 4 l/min, and coolant must enter below 30 °C to keep junction temperatures within limits. The liquid circuit removes heat directly from the power section, which supports stable operation during sustained output. Hydraulic resistance is low, registering 0.1 bar at that minimum flow, so standard plant chillers are generally suitable. A threaded M16 × 1.5 connection simplifies hose attachment. Three selectable pressure-check modes help verify proper coolant flow, and communication with higher-level controllers is handled by a PS5 IBS OPC fiber-optic I/O module while INTERBUS timing governs synchronized operation across drives in the same automation cell.
