R911170878 (PST610-EW)

Name: R911170878 (PST610-EW)
Brand: Indramat Power Supplies
SKU: PST610-EW
Price: 460.00 USD
Availability: InStock

PST Thyristor Power Units

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The R911170878 (PST610-EW) is a Bosch-Rexroth Thyristor Power Unit designed for industrial resistance welding applications and compatible with welding transformers up to 76 KVA. It features a two-phase full wave bridge rectifier, utilizing silicon-controlled rectifiers for each phase to ensure controlled triggering and arc stability. The unit is housed in a metal enclosure with integrated modules to reduce external cabling. Air blower cooling with a heat sink supports continuous operation at high currents, with a nominal system current of 130 A. The device incorporates an integrated timer and operates with a 24 V DC supply. Its front panel includes a ready LED that indicates errors by disabling output drive current. Compliant with IP65 protection class, the unit can be operated, programmed, and diagnosed via the BOS-5000 interface.