TECNA 39965 medium-frequency inverter (MFDC) resistance welding transformer — 56 kVA at 50% duty, 500 V / 1000 Hz primary (other voltages on request). Water-cooled with epoxy-coated windings.
The TECNA 39965 is a medium-frequency inverter (MFDC) resistance welding transformer rated at 56 kVA (50% duty cycle), 88 kVA at 20% duty. It uses a fully water-cooled core with epoxy casting-resin coated windings, and is supplied with a standard 500 V / 1000 Hz primary — other primary voltages and frequencies, including US 480 V / 60 Hz, are available on request. Manufactured to ISO 22829.
Part of the TECNA inverter (mfdc) transformer range; related models in the same family include 40266, 40314, 37610, 40139, 40138, 43737 and others.
| Weight | 44 lbs |
|---|---|
| Product Type | |
| Phase | Single-Phase (MFDC output) |
| Technology | Inverter (Medium Frequency) |
| Nominal Power 50% (kVA) | 56 |
| Nominal Power 20% (kVA) | 88 |
| Primary Supply U1 / Frequency | 500 V / 1000 Hz (other voltages/frequencies on request) |
| Secondary Voltage V2d (V) | 8.4 |
| Sec Thermal Curr I2 100% (kA) | 4.4 |
| Cooling Water Flow | 1.59 gpm (6 l/min) |
| Housing Finish | Stainless Steel (INOX) |
| Cooling | Water-Cooled |
| Standard | ISO 22829 |
