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The universal welding rectifier is designed for automatic and semi-automatic gas-shielded and submerged arc welding as well as for manual arc welding by stick electrodes of all types.The power thyristor unit with a ratio of current safety factor of K=1.25 is installed on the rectifier.

Availability of a special rectification circuit with a low pulsation factor provides for high quality of weld, minimum spattering and saving of welding materials.

Parameter name Rate
Rated mains voltage, V3x380
Rated mains current frequency, Hz50
Rated welding current at DC=60% and welding cycle 10 min, А500
Smooth control limits of welding current, A
- falling50-500
- rigid60-500
Control limits of operating voltage, V
- falling22-46
- rigid18-50
Rated power consumption, kVA40
No-load voltage, V85
Electrode diameter, mm2-6
Weight, kg230
Overall dimensions, mm730×590×830

Distinctive features

– availability of an input circuit breaker
– availability of an ammeter
– availability of an voltmeter
– availability of an entry gland for mains cable
– on-line state indication
– protection against overcurrent and short circuit currents in the welding circuit
– coils of the welding transformer and the transformer assembly itself are impregnated with silicon organic varnish KO-916K
– load handling devices for transportation
– high maintainability and reliability
– switch for “rigid” – “falling” current voltage characteristic
– possibility of changing the throttle inductance to ensure the most qualitative welding process
– signal lamp for overheating of the rectifier unit
– toggle switch for voltage presetting on hard characteristics
– toggle switch for supplying power to output keys at local control (control by power rectifier thyristors)
– setpoint adjuster for welding current and welding voltage at local control
– Remote control connector
– Gas heater connector

Optionally

– wheels and handle for moving
– turret for feeding mechanism
– straight welding cable with an electrode holder for manual arc welding
– return welding cable with a clamp for manual arc welding
– digital indication of welding current
– digital indication of welding voltage

Standard delivery set: rectifier, two current links.

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