To help engineers and procurement professionals quickly locate and accurately verify items, we have compiled a detailed exploded view diagram and specification list for the internal core assembly of the OTC Daihen AVP360 TIG Welding Machine — the Primary Transformer ASSY. This list precisely breaks down the part numbers and quantities from the original factory data to ensure absolute accuracy for your procurement.
1. Exploded View Diagram of AVP360 Primary Transformer ASSY
2. Parts Specification Quick Reference Table
This list is clear at a glance. You can directly cross-reference the Part Symbol from the exploded diagram above to find the corresponding part name, model, and specifications in the table below:
| Part No. (OTC Order No.) | Symbol | Part Name | Specification | Qty |
|---|---|---|---|---|
| 300-0075 | TR1,2 | IGBT Module | 2MBI75VA-120 | 2 |
| 300-0029 | DR1 | Three-Phase Bridge Rectifier Diode | DF75AA160 | 1 |
| 4531-039 | DR8 | Diode Module | RM20HA-24F | 1 |
| 4810-030 | CT1 | Current Transformer | W-W03029A | 1 |
| 4614-051 | THP1 | Thermal Switch / Thermostat | 67L090 | 1 |
| 100-1528 | R8 | Varistor | TND14U-911KB0LLAA0 | 1 |
| 4509-704 | R9〜12 | Carbon Film Resistor | RD1/4W 1kΩJ | 4 |
| 4509-906 | R26 | Cement Resistor | 10SHN 10ΩKA | 1 |
| 4509-895 | R34 | Cement Resistor | 40SH 150ΩKA | 1 |
| 4509-018 | R55 | Metal Oxide Film Resistor | RS2B 510ΩJ | 1 |
| 4517-401 | C3 | Ceramic Capacitor | 2KV 0.01uF | 1 |
| 4518-482 | C4 | Film Capacitor | ECWH16473JV | 1 |
| 4518-429 | C19 | Film Capacitor | VW16X223K | 1 |
| 100-1673 | C5〜8 | Film Capacitor | FKS(410)1800VHP103J-SL | 4 |
| 4517-452 | C21〜24 | Ceramic Capacitor | DE1007E222MKH | 4 |
| C0111T00 | PCB10 | Printed Circuit Board (PCB) | C0111T00 | 1 |
| 4509-903 | R13〜16 | Cement Resistor | 30SHN 10ΩKA | 4 |
3. Purchasing Original Parts & Technical Support
The items listed above are standard electronic components inside the OTC welding machine. If you need to purchase any relevant spare parts from the Primary Transformer ASSY mentioned above, please directly provide us with the equipment nameplate or the corresponding part number. As an authorized distributor, we promise to provide 100% genuine original parts with professional technical guidance from our maintenance engineers to ensure perfect compatibility.
Contact Us for Inquiries & Support
- Global Sales & Tech Support: International Sales Team
- 24/7 Service Hotline (WhatsApp & WeChat Same No.): +86-180-9663-1656
- Official Email: ahojotc@gmail.com
Please take a screenshot or copy the “Part Number” you need and send it to us via WhatsApp or Email. We will provide you with real-time pricing and inventory status as quickly as possible!


