TECNA TE7903 Portable AC Spot Weld Gun
6 kVA | Hand-Operated | Water-Cooled | Single-Phase AC
TECNA TE7903 Portable Weld Gun
The TECNA TE7903 is a 6 kVA, hand-operated, single-phase AC portable weld gun with customer choice of water-cooled arms. The TECNA TE7903 weld gun is suitable for welding two pieces of 0.079 in. (2 mm) mild steel. Featuring an extensive range of optional arms and electrodes, the TECNA TE7903 is perfect for auto body repair shops and maintenance shops.
- Model: TECNA TE7903
- Gun type: Scissor-type
- Power @ 50% duty cycle: 6 kVA
- Power supply: Single-phase AC
- Max. weld current: 5,750 amps
- Max. weld force: 270 lbs.
- Recommended tool balancers: TECNA 9356 and 9357
Current IN-STOCK Inventory: 1
* TYPICALLY IN-STOCK model at WSI, a stocking master distributor of TECNA industrial resistance welders. We maintain an inventory at our Warrensville Heights, Ohio, location. Please reach out to our knowledgeable sales team at 844-WSI-WELD or 216-475-5629 for current availability.
Welder ParametersFull SpecificationsAvailable ArmsDocumentationQuote Request
| MODEL | 7903 Weld Gun | |
|---|---|---|
| OPTIONAL version: | 7903P Weld Gun (Pulsation control) | |
| Welder style: | Portable weld gun | |
| Work type: | Light duty, no production | |
| Welding type: | Spot welding only | |
| Power @ 50% duty cycle: | 6 kVA | |
| Power supply: | Single-phase AC | |
| Max. weld current: | 5,750 amps | |
| Max. weld force: | 270 lbs. (smallest arms) | |
| Electrode throat depth: | Selectable: 6″, 10″, 14″, 20″ | |
| Standard controls: | Synchronous built-in electronic timer with SCR | |
| WELDABLE MATERIAL THICKNESS | > Cold rolled steel: | 18-gauge and thinner |
| > Galvanized steel: | 18-gauge and thinner | |
| > Stainless steel: | 24-gauge and thinner | |
| > Aluminum: | Not Recommended | |
| Power requirements: | 220 VAC, 2o amps 440 VAC, 12 amps (on request) |
|
| Min. compressed air supply: | 80 PSI, clean and dry air | |
| Water cooling required: | Yes, not included | |
| ACCESSORIES | > Balancer: | TE9357 Stainless Steel Cable Zero-Gravity Balancer |
| > Cooling: | Dynaflux R1100 V/G | |
| SPECIFICATIONS | 7900 | 7902 | 7903 | |||
|---|---|---|---|---|---|---|
| OPTIONAL Version | - | 7902P (Pulsation control "P") | 7903P (Pulsation control "P") | |||
| Manual / pneumatic | Manual | Manual | Manual | |||
| Nominal power 50% | 2 kVA | 2.5 kVA | 6 kVA | |||
| Continuous power | 1.41 kVA | 1.77 kVA | 4.25 kVA | |||
| Max. short circuit power | 16.5 kVA | 20.5 kVA | 20.5 kVA | |||
| Max. welding power | 13 kVA | 16 kVA | 16 kVA | |||
| Secondary no load voltage | 2.3 V | 2.5 V | 2.5 V | |||
| MAINS SUPPLY | ||||||
| Nominal primary voltage / Frequency | 220/60 (In-Stock) 440/50 (Available on Request) | 220/60 (In-Stock) 440/50 (Available on Request) | 220/60 (In-Stock) 440/50 (Available on Request) | |||
| Connection power | 9.5 kVA | 13.5 kVA | 13.5 kVA | |||
| Delayed fuses | 16 A | 16 A | 16 A | |||
| Primary cross section cable — Length < 15 m | 2.5 mm² | 2.5 mm² | 2.5 mm² | |||
| SECONDARY CURRENT | ||||||
| Nominal current | 0.87 kA | 1 kA | 2.4 kA | |||
| Continuous current | 0.61 kA | 0.7 kA | 1.7 kA | |||
| Short circuit current | 7.2 kA | 8.2 kA | 8.2 kA | |||
| Max. welding current | 5.75 kA | 6.55 kA | 6.55 kA | |||
| Duty cycle with max. weld current | 1.10% | 1.10% | 6.70% | |||
| ARMS AND ELECTRODES | ||||||
| Arms length (min. - max.) | 4.9 - 19.7 in. (125 - 500 mm) | 4.9 - 19.7 in. (125 - 500 mm) | 4.9 - 19.7 in. (125 - 500 mm) | |||
| Arms gap | 3.8 in. (96 mm) | 3.7 in. (94 mm) | 3.7 in. (94 mm) | |||
| Arms Ø | 0.79 in. (20 mm) | 0.87 in. (22 mm) | 0.87 in. (22 mm) | |||
| Arms-holders Ø | 0.71 in. (18 mm) | 0.71 in. (18 mm) | 0.71 in. (18 mm) | |||
| Electrode-holders Ø | - | - | 0.55 in. (14 mm) | |||
| Electrode Ø / cone | 0.39 in. (10 mm) | 0.47 in. (12 mm) | Ø 0.43 in. - 5° (Ø 10.8 mm - 5°) | |||
| Min.-max. electrode stroke | 2.16 - 7.28 in. (55 - 185 mm) | 2.16 - 7.28 in. (55 - 185 mm) | 2.16 - 7.28 in. (55 - 185 mm) | |||
| Electrode force with L=125 arms | 264 lbs. (120 daN) | 264 lbs. (120 daN) | 264 lbs. (120 daN) | |||
| Electrode force with L=500 arms | 84 lbs. (38 daN) | 84 lbs. (38 daN) | 84 lbs. (38 daN) | |||
| COMPRESSED AIR | ||||||
| Hose connection Ø | - | - | - | |||
| Max. operating pressure | - | - | - | |||
| Air consumption for 1000 spots | - | - | - | |||
| WATER COOLING | ||||||
| Hose connection: inlet / outlet Ø | - | - | 0.24 in. (6 mm) | |||
| Max. operating pressure | - | - | 36 psi (2.5 bar) | |||
| Consumption at full load | - | - | 2.5 L/min (150 L/h) | |||
| Recommened water cooling system | - | - | Dynaflux R1100 V/G | |||
| DIMENSIONS | ||||||
| Width / depth / height | 3.54 x 14.57 x 9.06 in. (90 x 370 x 230 mm) | 3.54 x 14.57 x 9.06 in. (90 x 370 x 230 mm) | 3.54 x 14.57 x 9.06 in. (90 x 370 x 230 mm) | |||
| Net weight | 23.15 lbs. (10.5 kg) | 24.25 lbs. (11 kg) | 26.46 lbs. (12 kg) | |||
| Gross weight | 26.46 lbs. (12 kg) | 28.66 lbs. (13 kg) | 33.07 lbs. (15 kg) | |||
| Box: width / depth / height | 6.69 x 18.11 x 13.78 in. (17 x 46 x 35 cm) | 6.69 x 18.11 x 13.78 in. (17 x 46 x 35 cm) | 11.02 x 24.02 x 14.17 in. (28 x 61 x 36 cm) | |||
| Volume | 7.93 gal (0.03 m³) | 7.93 gal (0.03 m³) | 17.17 gal (0.065 m³) | |||
| Mild steel sheets max. | 0.079 + 0.079 in. (2 + 2 mm) | 0.098 + 0.098 in. (2.5 + 2.5 mm) | 0.079 + 0.079 in. (2 + 2 mm) | |||
| Mild steel rods Ø | 0.24 + 0.24 in. (6 + 6 mm) | 0.32 + 0.32 in. (8 + 8 mm) | 0.24 + 0.24 in. (6 + 6 mm) | |||
| Aerial noise produced | <70 | <70 | <70 | |||
| Level of vibrations | <2.5 | <2.5 | <2.5 | |||
| TOOL BALANCER | ||||||
| Recommeded model | 9356 | 9356 | 9356 | |||
| Capacity | 22.1 - 30.9 lbs. (10.0 - 14.0 kg) | 22.1 - 30.9 lbs. (10.0 - 14.0 kg) | 22.1 - 30.9 lbs. (10.0 - 14.0 kg) | |||
| Stroke length | 79 in. (2000 mm) | 79 in. (2000 mm) | 79 in. (2000 mm) | |||
| Part No. | Arm Length | Max. Force | Electrode Stroke | Max. Thickness on Steel |
|---|---|---|---|---|
| 7512 | 5.9 in. (150 mm) |
269.8 lbs. (120 daN) |
1.4 in. (35 mm) |
0.079 in. (2.0 mm) |
| 7513 | 9.8 in. (250 mm) |
157.4 lbs. (70 daN) |
2.0 in. (50 mm) |
0.071 in. (1.8 mm) |
| 7514 | 13.8 in. (350 mm) |
116.9 lbs. (52 daN) |
2.6 in. (65 mm) |
0.059 in. (1.5 mm) |
| 7515 | 19.7 in. (500 mm) |
89.9 lbs. (40 daN) |
3.5 in. (90 mm) |
0.047 in. (1.2 mm) |
Please submit the following form to request additional information.
Enter “TECNA TE7903” on the following quote request form.
If you have any questions on WSI Select – IN-STOCK equipment available from Weld Systems Integrators, please call 844-WSI-WELD or 216-475-5629 and ask to speak with a WSI Engineer.
