Tecna Spot Bench welders - Items 2101N-2103N.
Nominal power at 50% d.c. from 16 to 25 kVA.
Main welder features
- Built-in compressed air filter unit.
- Lubrication free pneumatic components to eliminates oil mist and to protect the environment.
- Chrome plated cylinder and stem for heavy duty works and long life; adjustable anti-rotation device.
- Water-cooled transformer, electrode-holders and electrodes; transformer with epoxy resin coated windings.
- Phase shift welding current adjustment. Synchronous SCR contactor insulated from cooling water circuit with protection thermostat.
- Items 2101N and 2103N: TE550 constant current control unit.
- Item 2102N: TE101 control unit.
- Two stage electric foot control for clamping and welding pieces only if correctly positioned.
- Pre-setting for two-hand safety control with timer for maximum safety, and removable key selector (only on items 2101N and 2103N). The push-buttons are available on request.