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ELREX 3x ET70.0.G

Welding transformer, high-current transformer, transformer
for spot welding machines, resistance welding machines, roll seam welding machines
ELREX Type 3x ET70.0.G
Mfg. No. Year of manufacture approx. 1990
Podpfx Ajdzp Txokcjpt
Consisting of three water-cooled transformers with a water-cooled rectifier block
Performance data:
Total power at 50% duty cycle 210 kVA (total power from 3 transformers)
Secondary voltage 7 - 10.5 volts (adjustable in 4 steps via connection terminals on the transformer)
Secondary current at 50% duty cycle 20.1 kA (total power from 3 transformers)
Primary connection 380 volts, 50 Hz (three phases)
Consisting of three transformers - data for a single transformer:
Power at 50% duty cycle 70 kVA (power per transformer)
Secondary voltage 7 - 10.5 volts (adjustable in 4 steps via connection terminals on the transformer)
Secondary current at 50% duty cycle 6.7 kA (per transformer)
Primary connection 380 volts, 50 Hz (two phases)
Cooling water requirement per transformer 4 liters/min.
Insulation class F
- Water-cooled transformer
- A water-cooled rectifier block is located on the secondary side.
- Connection of the DC power output via contact surfaces 50x50mm with M20x1.5mm thread
- Temperature monitor on each rectifier element and on each transformer coil
- Connection cable 7-core, cross-section 50 mm², length approx. 6 m
Overall dimensions WxHxD 700 x 710 x 440 mm
Total weight 480 kg
in good condition

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