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Welding Rectifiers & TIG Welding System
Welding Rectifiers & TIG Welding System
Sunrise Mek Welders offers a thyristorised Welding Rectifiers and TIG Welding System, Model STF-400.
- Input: Input supply 415 V ±10%, 3-phase, 50 Hz
- Maximum current: 33 A
- Maximum kVA @ 60% duty cycles: 23.7 kVA
- Maximum kVA @ 100% duty cycles: 18.3 kVA
- Output: Open circuit voltage – 75-85 V DC
- Maximum welding current @ 60% duty cycles: 400 A
- Max welding current @ 100% duty cycles: 310 A
- Output current range: 10 to 400 A
- Cooling: Forced air
- Insulation class: H
- Dimension (L x W x H): 760 x 430 x 880 mm
- Weight: 190 kg
- Immunity from AC input fluctuation of ±10%
- Thyristorised closed loop feed back to maintain stable welding current
- Built in hot start and anti-freeze facilities to reduce the demand of skilled operator
- Single range current control with optional remote control facilities
- Efficient and compact power source designed with enhanced power factor
- Six phase ripple free DC output gives excellent welding quality
- Provide radiographic quality welding
- Arc force condition feed back system maintain the arc pressure at constant level resulting in uniform droplet transfer with minimum spatter generation
- Fully protected against over/under volts over heating single phasing etc with indicators
- Ideal for TIG welding with suitable accessories