TECNA焊槍3321-3328
| ITEM | 3321 | 3322 | 3323 | 3324 | 3327 | 3328 | |
| Gunt type | L | L | C | L | L | L | |
| Nominal power at 50% | kVA | 16 | 23 | 23 | 23 | 38 | 38 |
| Maximum welding power | kVA | 37 | 65 | 63 | 52 | 110 | 92 |
| Short circuit current | kA | 16 | 21 | 21 | 16.5 | 27 | 22.5 |
| Thermal current 100% | A | 4000 | 4250 | 4250 | 4250 | 5400 | 5400 |
| No load secondary voltage | V | 2.8 | 3.8 | 3.8 | 3.8 | 5 | 5 |
| Supply voltage 50Hz * | V | 400 | 400 | 400 | 400 | 400 | 400 |
| Cables section L=30 m | mm2 | 10 | 16 | 16 | 16 | 25 | 25 |
| Delayed fuses | A | 32 | 40 | 40 | 40 | 80 | 80 |
| Arms spacing | mm | 165 | 165 | 120 | 225 | 155 | 280 |
| Min. arms length | mm | 190 | 190 | - | 250 | 250 | 250 |
| Max. electrode force (6 bar) | daN | 286 | 338 | 300 | 268 | 695 | 695 |
| Working stroke | mm | 6-25 | 5-20 | 5-20 | 6-25 | 10-26 | 10-26 |
| Maximum stroke | mm | 30-48 | 28-40 | 35-50 | 35-50 | 45-60 | 45-60 |
| Max. arms length | mm | 650 | 800 | - | 650 | 1030 | 820 |
| Max. electrode force (6 bar) | daN | 95 | 93 | - | 113 | 156 | 196 |
| Working stroke | mm | 18-72 | 18-72 | - | 15-60 | 40-100 | 30-75 |
| Maximum stroke | mm | 90-140 | 102-146 | - | 84-120 | 165-225 | 130-175 |
| Compressed air supply | bar | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 | 6.5 |
| Air consumption for 1000 spots at 5 bar | Nm3 | 4 | 4 | 4 | 4 | 7.5 | 7.5 |
| Hose inside diameter | mm | 10 | 10 | 10 | 10 | 10 | 10 |
| Water cooling | l/min | 7 | 7 | 8 | 7 | 8 | 8 |
| Max M.S. sheet tickness | |||||||
| with shorter arms | mm | 3+3 | 4+4 | 4+4 | 3.5+3.5 | 5+5 | 5+5 |
| with 508 mm arms | mm | 1.8+1.8 | 3+3 | - | 3+3 | 3.5+3.5 | 3.5+3.5 |
| with longest arms | mm | 1.2+1.2 | 2+2 | - | 2+2 | 2+2 | 2.5+2.5 |
| cross wire maximum diameter | mm | 10+10 | 14+14 | 14+14 | 12+12 | 16+16 | 16+16 |
| Spots per minute | |||||||
| 1+1 class A | 66 | 80 | 80 | 80 | 100 | 100 | |
| 1.5+1.5 class A | - | 32 | 32 | 32 | 44 | 44 | |
| 2+2 class A | 14 | 16 | 16 | 16 | 20 | 20 | |
| 2.5+2.5 class A | - | - | - | - | 14 | 14 | |
| 3.2+3.2 class B | - | - | - | - | 8 | 8 | |
| Net weight including cables, hoses, gyro suspension and shortest arms | kg | 46 | 52 | 53 | 55 | 76 | 78 |
| Packing: cardboard box | mm | 300x850x550 | 330x1120x630 | 760x1050x500 | |||
| Spring balancer | |||||||
| short arms: capacity | kg | 45-55 | 55-65 | 55-65 | 55-65 | 75-90 | 75-90 |
| long arms: capacity | kg | 55-65 | 65-75 | - | 65-75 | 90-105 | 90-105 |
