PST6101.321-L

The PST6101.321-L, Bosch Rexroth Indramat, PST Thyristor Power Units deliver a state-of-the-art thyristor power source tailored for demanding welding applications. This module provides a Nominal System Current of 130 A from a Voltage Supply of 24 V DC, ensuring rapid arc ignition and stable heat generation. An Integrated Timer streamlines welding sequences with high precision timing, while its robust design supports seamless pairing with welding transformers rated up to 76 kVA. With air-blower cooling and DIN EN 50082-2 compliance, this unit excels in harsh industrial environments.

Detailed specifications showcase a versatile power unit built on modern semiconductor design. It accepts a Rated Input Voltage of 400 V (–20%) to 600 V (+10%) at 50/60 Hz and delivers continuous 130 A output, supported by an Air Blower cooling system for thermal stability. A dual-rated Protection Class allows operation in both IP20 and IP54 enclosures, protecting against dust and water splashes. Integrated Temperature, Voltage, and Current Sensors monitor key parameters, while support for Parallel and Serial Connections and optional fieldbus interface slots enable future expansions.

Engineered for seamless integration, the PST6101.321-L slots into standard welding platforms, simplifying retrofits and maintenance. Its rugged construction and built-in diagnostics enhance reliability and minimize downtime, even under continuous heavy-duty cycles. Ideal for industrial resistance and arc welding lines, this power unit brings precise control, expanded connectivity, and proven Bosch Rexroth Indramat quality to high-throughput manufacturing.