The THH 400 and Thh 630 are manual welding transformer for industrial use with coated electrodes. Featuring high capacity and excellent welding properties. The high open circuit voltage ensures easy striking and re-striking action. Due to the high permitted loads, this transformer is ideal for Fematic welding. It confirms to IEC 974-1
Special Features
Technical Specifications :
Technical Data |
THH 400 | THH 630 | |
Input Supply | 230/415/500 VAC 50Hz 2 lines of Three Phase 220/440 VAC, 60 Hz, 2 lines of Three Phase |
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Welding Current Range | 70 A/23 V | 90 A/24 V | |
400 A/36 V | 630 A/44 V | ||
Open Circuit Voltage | 50 Hz | 73 - 80 V | 70 - 80 V |
Permitted Load | at 100% duty Cycle | 240 A/30 V | 380 A/35 V |
at 60% duty Cycle | 315 A/33 V | 500 A/40 V | |
at 35% duty Cycle | 400 A/36 V | 630 A/44 V | |
Power factor at 150 A | with Capacitors | 0.7 | 0.7 |
without Capacitors | 0.4 | 0.4 | |
Efficiency | 50 Hz | 0.82 | 0.85 |
60 Hz | 0.83 | 0.83 | |
Open Circuit Rating | 0.6 KW | 0.7 KW | |
Weight | 195 Kg | 210 Kg | |
Protection Form | IP 23 | IP 23 | |
Cooling | AN | AF | |
Width | 700 mm | 675 mm | |
Depth | 820 mm | 820 mm | |
Height with Handle | 950 mm | 1050 mm |