R911170116 (PST6250.280-L)

PST Thyristor Power Units

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The R911170116 (PST6250.280-L) is a thyristor power unit from the PST 6250 series, crafted by Bosch Rexroth, designed to connect with welding transformers in industrial environments. This unit, built in accordance with DIN EN 50082-2 and 50081-2 standards, integrates multiple components - the CPU weld timer, I/O interface slot for serial, parallel or fieldbus, and two optional slots for the fieldbus module and quality module. Built for IP20-level protection, it guards against water, dust, and foreign objects, and its placement in switchgear cabinets or modular enclosures offers additional IP54-level protection. This two-phase power unit operates within a specified temperature range, utilizing an integrated temperature monitoring system and an air cooling mechanism. Moreover, it holds a humidity class of F, preventing moisture from condensing on the unit. Simplifying installation and operation, this unit minimizes the need for additional wiring, coming with a one-year warranty from Indramat USA.