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1070079320 (PST6250.330-L)

PST Thyristor Power Units

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The Bosch 1070079320 (PST6250.330-L) is a 2-phase thyristor power supply unit from the PST 6250 series, designed for use with welding transformers up to 250 kVA. It features recessed mounting, an integrated weld timer with INTERBUS interface, and is air-cooled via blower, requiring sufficient airflow for operation. The unit operates within a temperature range of up to 45°C (maximum 55°C), and can be transported or stored between -25°C and 70°C. Electrical specifications include supply voltage of 400–600 V AC at 50/60 Hz, 24 V DC for auxiliary supply, and a nominal system current of 200 A. Protection is provided by a metal oxide varistor. The enclosure has an IP20 rating and the unit measures 463 x 280 x 239 mm, with an approximate weight of 12.5 kg. Personnel with metal implants or pacemakers should avoid the operating area.

Technical Specifications

Type
2-phase thyristor power supply unit

Mounting
Recessed

Interface
Weld timer with INTERBUS

Compatibility
Works with welding transformers (max 250 kVA)

Cooling
Air cooled

Recommended Maximum Operation Ambient Temperature
45 degrees Celsius

Maximum Ambient Temperature for Operation
55 degrees Celsius

Recommended Ambient Temperature for Storage/Transport
-25 and 70 degrees Celsius

Air Condition
Free of acids, salts, corrosive agents

Rated Voltage
400 to 600 Volts AC at 50 / 60 Hertz

Overvoltage Protection
Integrated metal oxide varistor

Nominal System Current
200 Amps

Power Connection Wire Size
Maximum 95 mm2 cross-sectional area

Weight
12.5 kilograms

Dimensions
463 x 280 x 239 millimeters

Enclosure Protection Rating
IP 20

Recommended Mounting
Vertical mounting or back-mounting on plate

Shipping
Global

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1620 Old Apex Road
Cary, NC 27513, USA

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Fax: 1-919-867-6204

[email protected]

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Indramat USA 1 Year Warranty

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We offer a repair service for the PST6250.330-L.

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.