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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 a water-cooled rectifier block
Performance Data:
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Total power at 50% duty cycle: 210 kVA (aggregate output 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 (aggregate output from 3 transformers)
Primary connection: 380 Volt, 50 Hz (three phases)
Consisting of three transformers – single unit data:
Power at 50% duty cycle: 70 kVA (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 Volt, 50 Hz (two phases)
Cooling water requirement per transformer: 4 litres/min.
Insulation class F
- Water-cooled transformer
- A water-cooled rectifier block is mounted on the secondary side
- DC power connection via 50x50mm contact plates with M20x1.5mm thread
- Temperature sensors on each rectifier element and each transformer coil
- Connection cable: 7-core, cross-section 50 mm², approx. 6 m length
Overall dimensions (W x H x D): 700 x 710 x 440 mm
Total weight: 480 kg
In good condition

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