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Master S 305 G
MSS305G
300 A stick welding power source suitable for generator use. Equipped as standard with a full-color 7-inch TFT display. When connected to a Flexlite TX 223GVD13 torch, Master S 305 provides an excellent power source for quality DC TIG welding.
Master S 305 G — Technical data
| Description | Value |
|---|---|
| Mains connection voltage | 380...460 V ±10 % |
| Mains connection phases | 3~50/60 Hz |
| Mains connection cable type | 4G, H07RN-F |
| Mains connection cable size | 2.5 mm² |
| Maximum supply current [I1max] | 18 ... 15 A |
| Effective supply current [I1eff] | 12 ... 10 A |
| Rated maximum input power [S1max] | 12 kVA |
| Mains fuse | 16 A |
| Output, duty cycle % at rated max. current, TIG | 30 % |
| Output at +40 °C, rated max current, TIG | 300 A |
| Output at +40 °C, 60% TIG | 260 A |
| Output at +40 °C, 100% TIG | 220 A |
| Output, duty cycle % at rated max. current, MMA | 30 % |
| Output at +40 °C, rated max current, MMA | 300 A |
| Output at +40 °C, 60% MMA | 260 A |
| Output at +40 °C, 100% MMA | 220 A |
| Output range, TIG | 3 A / 1 V ... 300 A / 22 V |
| Output range, MMA | 10 A / 10 V ... 300 A / 63 V |
| Power factor at rated maximum current [λ] | 0.89 |
| Efficiency at rated maximum current [η] | 87 % |
| EMC class | A |
| Minimum short-circuit power of supply network [Ssc] | 2.1 MVA |
| Stick electrode diameter | 1.6 ... 7 mm |
| Welding connection type | DIX |
| Wired communication type | Analog, Kemppi Remote-Bus |
| Wireless communication type | Bluetooth |
| Transmitter frequency and power | 2400...2483.5 MHz, 10 dBm |
| Operating temperature | -20 ... 40 °C |
| Storage temperature | -40 ... 60 °C |
| Recommended minimum generator power [Sgen] | 20 kVA |
| Degree of protection (fully installed) | IP23 |
| External dimensions, length | 544 mm |
| External dimensions, width | 205 mm |
| External dimensions, height | 443 mm |
| Weight without accessories | 21.4 kg |
| Standards | IEC 60974-1,-3,-10, IEC 61000-3-12, GB 15579.1 |
