To help engineers and procurement professionals quickly locate items, we have compiled a detailed exploded view diagram and parts list for the OTC Daihen DM350 Welding Machine. This list includes all core electronic components for this model, such as IGBT modules, printed circuit boards (PCBs), control transformers, and panel consumables.
1. Exploded View Diagram of DM350 Welder
2. Real-Time Quick Search Table for Part Details
You can directly input the Part No. / Spec, Symbol, or Part Name in the search box below, and the table will automatically filter the required parts for you:
| Part No. / Spec (Order No.) | Symbol | Part Name | Qty |
|---|---|---|---|
| 4614-109, IELK111-34459-1V | NF | Circuit Breaker | 1 |
| 4519-036, FS5681-33-99 | LF | Filter | 1 |
| 4600-366, N46010A7KW-01 | PL1 | Indicator Light | 1 |
| 4531-204, DFA75BA160 | DR1 | DR & SCR Integrated Module | 1 |
| 4531-308, DBA200UA60 | DR2~5 | High-Speed Diode Module | 4 |
| 4534-407, 2MBI150TA-060 | TR1~4 | IGBT Module | 4 |
| 4810-030, W-W03029 | CT1 | Current Transformer (CT) | 1 |
| 4406-009, HA400S3EH | CT2 | Hall Sensor | 1 |
| P10260B00 | T1 | Inverter Transformer | 1 |
| 4810-916, W-W02936 | T2 | Control Transformer | 1 |
| P10260C00 | L1 | DC Reactor | 1 |
| 4739-497, E04RA400270150 | L2,3,7 | Ferrite Core | 3 |
| 4739-497, E04RA400270150 | L4 | Ferrite Core | 2 |
| 4739-358, R1-17.5-28.5-10.7 | L10 | Ferrite Core | 1 |
| 4739-543, E04RA310190100 | L5,6,8,9 | Ferrite Core | 4 |
| 100-0123, US-602SXTTAS 130°C | THP1 | Thermal Switch | 1 |
| 4614-057, 67L080 | THP2 | Thermal Switch | 1 |
| 4805-074, 4715SL-05W-B60-D00 | FM1 | Fan / Blower | 1 |
| 4516-119, ENE911D-14A | R1~4 | Varistor | 4 |
| 4509-018, RS2W 510ΩJ | R5 | Metal Oxide Film Resistor | 1 |
| 4509-819, 40SH 200ΩJ | R6 | Cement Resistor | 1 |
| 4509-825, 20SH 15ΩJ | R7 | Cement Resistor | 1 |
| 4509-704, RD1/4W 1kΩJ | R8~13, 17,25,26 | Carbon Film Resistor | 9 |
| 4509-138, RNP-50SA 5ΩJ | R14,15 | Metal Film Resistor | 2 |
| 4509-128, RS2W 200kΩJ | R19~21 | Metal Oxide Film Resistor | 3 |
| 4517-452, 2KV 0.0022uF | C1 | Ceramic Capacitor | 1 |
| 4518-515, DKR1600VDC683JSL | C2a,b | Polyester Film Capacitor | 2 |
| 4514-206, US20X472JAASA | C4,5 | Polyester Film Capacitor | 2 |
| 4518-402, 0.47uF 50V | C7 | Polyester Film Capacitor | 1 |
| 4730-421, HS25R-10 | CON1 | Socket | 1 |
| 4730-426, 25-6BK | CON2 | Socket | 1 |
| 4739-505, TB-10-01 12P | TM1 | Terminal Block | 1 |
| 4403-116, KY400A 400A/60mV | SH | Shunt for Ammeter | 1 |
| P10327U00 | PCB1 | Printed Circuit Board (PCB) | 1 |
| P10492P00 | PCB2 *Note | Printed Circuit Board (PCB) | 1 |
| P10263Q00 | PCB3 | Printed Circuit Board (PCB) | 1 |
| P10327V00 | PCB4 | Printed Circuit Board (PCB) | 1 |
| P10264T00 | PCB5 | Printed Circuit Board (PCB) | 1 |
| P10327M00 | PCB6 | Printed Circuit Board (PCB) | 1 |
| P10261Q00 | PCB7 | Printed Circuit Board (PCB) | 1 |
| P10263R00 | PCB8 | Printed Circuit Board (PCB) | 1 |
| 4739-474, W-W02805 | ① | Rubber Plug with Film | 3 |
| 4735-038, K-100 22RSB | ② | Knob | 1 |
| 4735-039, K-100 22CSBL | ③ | Cap / Cover | 1 |
| 4739-475, C-30-RK-3220 | ④ | Rubber Foot / Pad | 4 |
| P10328W02 | ⑤ | Control Panel Membrane / Interface | 1 |
| 4739-476, W-W02814 | ⑥ | Cap / Cover | 2 |
| P5801G03 | ⑦ | Handle | 2 |
| P10263G12 | ⑧ | Bushing | 4 |
| P10260J01 | ⑨ | Panel Cover | 1 |
| P10263J02 | ⑩ | Control Panel Cover | 1 |
| 100-1573, CX0058 | — | Socket | 2 |
| 100-1868, CX0522A | ⑪ | Welding Cable Connector / Plug | 1 |
Note: Items marked with “—” in the “Symbol” column indicate that no specific symbol is designated in the original factory structure. Please purchase directly based on the Part Number/Spec.
3. Purchasing Original Parts & Technical Support
If you need to purchase electronic components, PCBs, or housing structure parts inside the DM350 welding machine, please directly provide us with the equipment nameplate and the corresponding model/order 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 / Spec" 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!