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Product Range
  • Arc Welders
  • Arc Welder (Forced Air Cooled) Model - EC
Arc Welder (Forced Air Cooled) Model - EC

Stepless Regulator ARC WelderSterco Forced Air Cooled A.C Arc welders are being used since 40 years as power source for most of manual metal arc welding jobs, required in Rolling Mills, Cement, Plants, Thermal Power Projects, Shipyards and all type of heavy and medium industries.

These machines are also used as Power Source for Argon Gas Shielded Arc Welding Tungston Electrodes (TIG) for the welding of Aluminum & Aluminum Alloys.

Construction :

The set consists of heavily copper wound Transformer fitted on heavy steel frame covered with ventilated M.S. Sheets mounted on rubber wheels, Front wheel fixed and rear wheels are swiveling type for easy portability. The current is controlled by air gap between Primary & Secondary coils by means of magnetic shunt.

Model - EC ( D/O)

 

Transformer :

Specially designed doubled copper wound transformer conforming to IS:1851 (1975) having core of high grade Electrical Steel Primary & Secondary coils are of electrolytic copper strips & wires covered with fiber glass and insulated with class 'F' duly vacuum impregnated.

This above machine is also available in Double Operator Model-EC (D/O).Technical specifications of each transformer of Double Operator Arc Welder will be as per Model-EC.

 
Technical Specifications
Model   EC - 200 EC - 300 EC - 400 EC - 500 EC - 600
Primary Voltage V 230/415 230/415 380/415 380/415 380/415
Input Supply Nos. Single Phase/ 3 Phase 2 lines Single Phase/ 3 Phase 2 lines 3 phase 2 lines 3 phase 2 lines 3 phase 2 lines
Frequency  Hz. 50 50 50 50 50
Welding Current Range max. continuous Amps. 30-200 40-300 60-400 60-500 80-600
Hand Welding Current at 60% max. continuous Amps. 150 225 300 400 500
Automatic Welding Current at 100% Amps. 120 180 230 300 360
Welding Current Control Stepless Regulator
Max. Intermittent Welding Current Amps. 200 300 400 500 600
Open Circuit Voltage V. 65 65 65 65 65
Operating Arc Voltage V. 21-28 22-32 23-36 23-40 23-44
Welding Electrode Size Min. MM. 1.5 2 2 2 2.5
Welding Electrode Size Max. MM. 4 5 6.3 6.3 8
Insulation Class   F F F F F
Power Factor with Capacitor     0.8 at half load Forced air cooled
Type of Cooling  Forced Air Cooled
Max. rating KVA 13 19.5 26 32.5 39
Rating at 60% Duty Cycle KVA 9.5 15 19.5 26 32.5
Rating as per IS KVA 7.8 11.7 15 19.5 23.5
Dimension (approx.) Cms 66 x 39 x 65 68 x 43 x 75 72 x 46 x 86 72 x 46 x 86 72 x 46 x 86
Weight (approx.) Kgs 85 120 145 165 180
Welding   Copper

The above machines are also available for 3-Phases 380/415 Volts Hz, Input Supply.

Note: We reserve the right to change the design and modify specifications at the discretion of our technical department.

 

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