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1070083955 (PST6100.320-L)

PST Thyristor Power Units

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1 Year Warranty Included
Free Ground Shipping
The Bosch 1070083955 (MPN: PST6100.320-L) is a 2-phase thyristor power unit from the PST 6100 series, engineered for welding transformers with ratings up to 76 kVA. It operates as a forward-biased, current-operated semiconductor in switching mode, conducting upon gate triggering. The unit includes integrated control and monitoring functions, weld timers, and supports both serial and parallel interfaces as well as fieldbus communication. Programming and diagnostics are carried out via the BOS-5000 operator interface. It features a nominal system current of 130 A, a 24 V DC power supply, an air blower cooling system, and IP 20 rated enclosure. Optimal operation is specified for altitudes below 6600 feet, with relative humidity tolerances of 90% at 68°F and 50% at 104°F.

Technical Specifications

Type
2-phase thyristor power unit

Integrated control
Yes

Monitoring function
Yes

Designed for
76 kVA rated welding transformers

Optimized for
Welding

Programming
BOS-5000 operator interface

Connectivity
Serial or Fieldbus interfaces

Rated voltage
400 Volts AC (-20%) to 600 Volts AC (+10%)

AC line frequency
50 / 60 Hertz

Cooling type
Air cooled

Max ambient temperature
131 degrees Fahrenheit

Storage temperature range
-13 to 158 degrees Fahrenheit

Relative humidity at 68F
90%

Relative humidity at 104F
50%

Elevation for optimal operation
Less than 6600 feet

Enclosure rating
IP 20

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
product repair We offer a repair service for the PST6100.320-L.
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