To help engineers and procurement professionals quickly locate and accurately purchase items, we have compiled a detailed list of all core components, part numbers, and specifications for the OTC Daihen DW300 Aluminum Welding Machine. This list contains 83 spare parts data entries, and we have professionally corrected any unit code garbles or naming typos from the original factory materials.
1. Real-Time Quick Search Table for DW300 Parts
You can directly input the Part No. (Order No.), Symbol, or Part Name in the search box below, and the table will automatically filter the required parts for you:
| Part No. (OTC Order No.) | Symbol | Part Name | Specification | Qty |
|---|---|---|---|---|
| 4614-109 | NF1 | Circuit Breaker | IELK111-34459-1-V | 1 |
| 4519-036 | LF1 | Filter | FS5681-50-99 | 1 |
| 4600-360 | PL1 | Indicator Light | N46010A7KW-01 | 1 |
| 4531-716 | DR1 | Three-Phase Bridge Rectifier | DFA100BA160 | 1 |
| 4531-308 | DR2〜5, 8 | Fast Recovery Diode Module | DBA200UA60 | 5 |
| 4531-505 | DR9 | Diode | S2L60 | 1 |
| 4531-308 | DR10〜12 | Fast Recovery Diode Module | DBA200UA60 | 3 |
| 4531-120 | DR14 | Bridge Rectifier | D5SB60 | 1 |
| 100-0003 | TR1〜4 | IGBT Module | CM150-DU-24NFH | 4 |
| 4534-531 | TR5〜8 | IGBT Module | CM400DY-12NF | 4 |
| 4534-402 | TR9 | IGBT | 1MBH50D-060 | 1 |
| 4534-531 | TR10 | IGBT Module | CM400DY-12NF | 1 |
| 4530-137 | SCR1 | Thyristor Module / SCR | SG25M60 | 1 |
| 4810-030 | CT1 | Current Transformer | W-W03029 | 1 |
| 4406-009 | CT2 | Hall Sensor | HA400S3I-H | 1 |
| P10511B00 | T1 | Inverter Transformer | P10511B00 | 1 |
| P10264L00 | L1 | Input Reactor | P10322L00 | 1 |
| P10510C00 | L2 | DC Reactor | P10510C00 | 1 |
| 4739-497 | L3,4,6,12,21 | Ferrite Core | E04RA400270150 | 5 |
| 4739-497 | L7 | Ferrite Core | E04RA400270150 | 1 |
| 4739-543 | L10,11,13,14,24 | Ferrite Core | E04RA310190100 | 5 |
| 4739-358 | L18 | Ferrite Core | RI-17.5-28.5-10.7 | 1 |
| 4739-579 | L23 | Clamp-on Filter | ZCAT-3035-1330 | 1 |
| 4614-040 | THP1 | Thermal Switch | 67L085 | 1 |
| 4614-057 | THP2 | Thermal Switch | 67L080 | 1 |
| 4258-051 | THP3 | Thermal Switch | 67L090 | 1 |
| 4253-024 | THP4 | Thermal Switch | US-602SXTTAS | 1 |
| P30016L00 | FM1,2 | Fan / Blower | P30016L00 | 2 |
| 4403-116 | SH | Shunt | KY400A 400A/60mV | 1 |
| 1EG191-11400 | R1〜4 | Varistor | ENC911D-14A | 4 |
| 4509-704 | R7〜12 | Carbon Film Resistor | RD1/4W 1kΩJ | 6 |
| 4508-317 | R13〜20, 43 | Carbon Film Resistor | RD1/2W 3kΩJ | 9 |
| 4509-121 | R29a,b〜30a,b | Metal Film Resistor | RNP-50SC 10ΩF | 4 |
| 4509-916 | R35 | Cement Resistor | T20SH 2.2ΩJA | 1 |
| 4509-704 | R36,38,47 | Carbon Film Resistor | RD1/4W 1kΩJ | 3 |
| 4504-944 | R39 | Wirewound Resistor | KNP1W 10Ω | 1 |
| 4509-922 | R41,42 | Cement Resistor | 20SH 10ΩJA | 2 |
| 4509-128 | R44,45,46 | Metal Oxide Film Resistor | RS2B 200kΩJ | 3 |
| 4509-918 | R48 | Cement Resistor | 40SH 200ΩJA | 1 |
| 4509-825 | R49,50 | Cement Resistor | 20SH 15kΩJA | 2 |
| 4504-325 | R51a,b〜R52a,b | Flat Wirewound Resistor | NCRF24V 20ΩJ | 4 |
| 4509-109 | R53 | Metal Oxide Film Resistor | RS1B 51kΩ | 1 |
| 4518-528 | C6,7 | Film Capacitor | US20X103JAASA | 2 |
| 4518-402 | C8 | Film Capacitor | 0.47μF 50V | 1 |
| 4511-510 | C9 | Aluminum Electrolytic Capacitor | LWA2N601MSMAZO | 1 |
| 4518-497 | C10 | Film Capacitor | DHS630V103JSL | 1 |
| 4518-411 | C11 | Film Capacitor | EM351200D0B1HP | 1 |
| 4518-402 | C12 | Film Capacitor | 0.47μF 50V | 1 |
| 4518-530 | C13 | Film Capacitor | US16X154JAASA | 1 |
| 4511-251 | C14 | Aluminum Electrolytic Capacitor | W-W02212 | 1 |
| 4517-401 | C15 | Ceramic Capacitor | 2kV 0.01μF | 1 |
| 4730-421 | CON1 | Metal Socket | HS25R-10 | 1 |
| 4730-426 | CON2 | Metal Socket | 25-6BK | 1 |
| 4255-016 | PS | Pressure Switch | W-W00032 | 1 |
| 4739-616 | TM1 | Terminal Block | TB10-018P | 1 |
| 4739-505 | TM2 | Terminal Block | TB10-0112P | 1 |
| P10511L | PCB1 | Printed Circuit Board (PCB) | P10511U00 | 1 |
| P10265P | PCB2 | Printed Circuit Board (PCB) | P10265P00 | 1 |
| P10263Q | PCB3 | Printed Circuit Board (PCB) | P10263Q00 | 1 |
| P10265V | PCB4 | Printed Circuit Board (PCB) | P10265V00 | 1 |
| P30016T | PCB5 | Printed Circuit Board (PCB) | P30016T00 | 1 |
| P10511M | PCB6 | Printed Circuit Board (PCB) | P10511M00 | 1 |
| P10261Q | PCB7 | Printed Circuit Board (PCB) | P10261Q00 | 1 |
| P10263R | PCB8 | Printed Circuit Board (PCB) | P10263R00 | 1 |
| P10510R | PCB9 | Printed Circuit Board (PCB) | P10510R00 | 1 |
| P10510X | PCB10 | Printed Circuit Board (PCB) | P10510X00 | 1 |
| P10264S | PCB11 | Printed Circuit Board (PCB) | P10264S00 | 1 |
| 4341-308 | — | Relay | G6B-1114P-FD-US DC24V | 1 |
| P10510S | PCB12 | Printed Circuit Board (PCB) | P10510S00 | 1 |
| P10510V | PCB13 | Printed Circuit Board (PCB) | P10510V00 | 1 |
| P10487P | PCB14 | Printed Circuit Board (PCB) | P10487P00 | 1 |
| P10487P | PCB15 | Printed Circuit Board (PCB) | P10487P00 | 1 |
| 4739-474 | ① | Rubber Plug with Film | W-W02805 | 1 |
| 4739-604 | ② | Rubber Plug with Film | C-30-SG-32A | 1 |
| 4735-038 | ③ | Knob | K-100 22RSB | 1 |
| 4735-039 | ④ | Cap / Cover | K-100 22CSBL | 1 |
| 4739-516 | ⑤ | Roller / Wheel | 420SR-RD50 | 1 |
| P10562W02 | ⑥ | Operation Panel | P10562W02 | 1 |
| 4739-476 | ⑦ | — | W-W02814 | 1 |
| P5801G03 | ⑧ | Handle | P5801G03 | 2 |
| P10263G12 | ⑨ | Bushing / Spacer | P10263G12 | 4 |
| P10261J01 | ⑩ | Front Cover Panel | P10261J01 | 1 |
| P10263J02 | ⑪ | Operation Panel Cover | P10263J02 | 1 |
| 100-1711 | ⑪ | Socket | CX0058 | 2 |
| 100-1868 | — | Cable Plug | CX0522A | 1 |
Note: Items marked with “—” or circled numbers in the “Symbol” column indicate panel structural parts or accessories with no specifically designated independent symbols. Please purchase directly based on the Part No. (OTC Order No.).
2. Purchasing Original Parts & Technical Support
If you need to purchase electronic components, control boards, or housing structure parts inside the DW300 aluminum welding machine, please directly provide us with the equipment nameplate and the corresponding Part No. (Order No.). 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 No. (Order No.)" 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!