Zvárací transformátor, vysokoprúdový transformátor, transformátor; pre bodové zváracie stroje, odpor

ELREX 3x ET70.0.G

Welding transformer, high-current transformer, transformer
for spot welding machines, projection welding machines, seam welding machines
ELREX Type 3x ET70.0.G
Serial no.: Year of manufacture: approx. 1990
Comprising three water-cooled transformers with water-cooled rectifier block
Performance data:
Total output at 50% duty cycle: 210 kVA
Secondary voltage: 7 - 10.5 volts (adjustable in 4 steps via connection terminals on the transformer)
Primary connection: 380 volts, 50 Hz (three-phase)
Comprising three transformers - data per individual transformer:
Output at 50% duty cycle: 70 kVA
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
Primary connection: 380 volts, 50 Hz (two-phase)
Cooling water requirement per transformer: 4 litres/min.
Insulation class: F
- Water-cooled transformer
- Water-cooled rectifier block mounted on the secondary side
- DC power output connection via contact surfaces 50x50 mm with M20x1.5 mm thread
- Temperature sensors on each rectifier element and on each transformer coil
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- 7-core connection cable, cross-section 50 mm², length approx. 6 m
Overall dimensions (W x H x D): 700 x 710 x 440 mm
Total weight: 480 kg
Good condition

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