Sun Electrical Industries

Kalyan, Mumbai, Maharashtra

Sun Series of Welding Rectifier are forced air cooled with full wave rectifier assures trouble free service for years. These welding rectifiers are designed for round the clock welding applications & smooth arc in all position and almost spatter less X-ray quality welding. It gives ideal DC Power source for Metal Arc and TIG Welding.

MODEL SPECIFICATIONS :- 400AmpSupply voltage380/415/440Primary Current at max. output 25-30A Open Circuit Voltage 80-100 Max. Continuous current at 100% duty cycle300Max. Continuous current at 60% duty cycle 400KVA - Max. Continous 20KVA - Max. 26Welding Current range (in two ranges)10-400A Max. ambient temperature 40\'CClass of Insulation H Type of cooling (Forced) Air Cooled Approx. Dimention (LxWxH) mm650X425X600Approx. Weight (Kg.)280 Also Available Of Remote Box In Of outer Station Welding Spot.

Designed with high quality control and using best quality raw materials with state of the art technologies to save power, ultimate in saving production cost.Sun Electrical rectifiers are available from minimum voltage of 1 volt, 1 Amp and up to 30V DC and 3000A current.

Input Voltage 240 V AC + 5% in Single Phase415 V AC +10% in Three PhaseOutput Voltages Up to 30 V Dc or as specified continuously variable from zero to maximum rated DC Voltage as specified.

Output Current1 AMP to 3000 Amps DCType of cooling a. Air cooledb. Forced air cooledC. oil cooled

Insulation Class Class 'B' / class 'F'Protections Over load protection and short circuit protection at input with MCB / MCCB or HRC Fuses.Temperature rise Maximum 55 C above ambient and as per I.S. Specifications.

Sun Electrical Rectifiers are fitted with AC Voltmeter, DC Voltmeter and DC Ammeter.

Sun Electrical Rectifiers are fitted with high quality and over rated rectifier diodes to withstand overloads and momentary surges. High quality auto transformers are employed to maintain low losses thus achieving higher efficiency and power savings.

STANDARD CONSTRUCTION

Sun Electrical electroplating rectifiers consists of an auto variable transformer, one step-down transformer, and bridge rectifier and protection system. Input AC voltage is fed to input side of variable Auto transformer. The output of auto variable transformer is connected to input side of step down transformer .Output of step-down transformer is connected to bridge rectifier to obtain required DC Voltages. Bus bars and all transformer windings are with higher grade electrolytic copper of 99.99 % purity.

Protection systems employed in Sun Electrical electroplating rectifiers consists of HRC fuses. MCB / MCCB. The rectifiers are also having various additional / optional features and protections like auto zero correction, auto trip OFF, single phasing prevention, electronic overload Protection, high input Voltage trip OFF, at high system temperature , programmable switching ON and switching OFF of the rectifier in selected timings etc. and as required by the customer.