To help engineers and procurement personnel quickly search and verify, we have thoroughly compiled all core part models, names, and specifications for the OTC Daihen P500L Welding Machine. This list contains 72 spare parts data entries and has been professionally proofread for accuracy.
I. P500L Parts Exploded View Configuration
If you are unsure of the exact name of the part you need, you can first refer to the configuration diagram below to find the specific location and corresponding symbol of the part, and then search for the Order No. in the table:
II. Spare Parts Real-Time Search Table
You can directly enter the Part No. (Order No.), Symbol, or Name in the search box below, and the table will automatically filter the required parts for you:
| Part No. (Order No.) | Symbol | Name | Specifications |
|---|---|---|---|
| 4614-101 | NF | Circuit Breaker | IELK111-34459-1V |
| 100-0171 | PL1 | Indicator Light | N46010A7KW-01 ROHS |
| 100-1938 | DR1 | Bridge Rectifier | PGH150N16 |
| 4531-119 | DR2〜5, 8〜11 | Bridge Rectifier | DSEI 2X101-06A |
| 4531-119 | DR12, 13 | Rectifier Module | DSEI 2X101-06A |
| 100-1750 | TR1〜4 | IGBT Module | CM300DU-12NFH |
| 100-2033 | TR5〜7 | IGBT Module | FZ600R12KP4 |
| 4810-030 | CT1 | Current Transformer (CT) | W-W03029A ROHS |
| 100-0956 | CT2 | Hall Effect Sensor | CS-40GEH |
| P30125B00 | T1, T2 | Inverter Transformer | P30125B00 |
| W-W03674 | T3 | Auxiliary Transformer | W-W03674 |
| P30125L00 | L1 | Input Reactor | P30125L00 |
| P30137C00 | L2 | DC Reactor | P30137C00 |
| 100-1950 | L3 | Ferrite Core | TW70WCR402715 |
| 4739-543 | L4〜7 | Ferrite Core | E04RA310190100 |
| 100-0618 | L8, 9 | Ferrite Core | HM2AT4815 |
| 100-0620 | L10 | Ferrite Core | SN-20 0R 23.5*9.5*12.6 |
| 4614-051 | THP1 | Thermostat Switch | 67L090 |
| 4258-016 | THP2 | Thermostat Switch | US-602SXTTAS 120°C |
| 100-1429 | FM1〜3 | Cooling Fan | 9WV1224P1H003 |
| 100-1825 | FM4 | Cooling Fan | 9G1224E1D07 |
| 4403-132 | SH | Shunt | SH 600A/60mV |
| 6100-052 | R1〜4 | Varistor | TND14V-911KB0LLAA0 |
| 100-0234 | R5〜10 | Carbon Film Resistor | RD20S 1kΩJ |
| 100-1430 | R11〜14 | Metal Film Resistor | RPM200Z 5Ω |
| 100-1431 | R15a, b | Metal Film Resistor | W-W03824 (SMR 220W 1.6Ω) |
| 100-0662 | R18 | Thermistor | EC2F103A2-40113 |
| 100-1432 | R19a, b | Metal Film Resistor | FHN50 471J/R0 |
| 100-0234 | R20, 21 | Carbon Film Resistor | RD20S 1kΩJ |
| 100-1571 | R22 | Wirewound Resistor | CS1P 100ΩJ |
| 4509-918 | R23 | Cement Resistor | 40SH 200ΩJ |
| 4509-704 | R24 | Carbon Film Resistor | RD1/4W 1kΩJ |
| 4508-317 | R25〜27 | Carbon Film Resistor | RD1/2S 3kΩJ |
| 100-1949 | R28〜29 | Metal Oxide Film Resistor | MOS1CT52A104J |
| 100-1433 | C1〜4 | Ceramic Capacitor | DEBE33D222ZA2B |
| 100-1434 | C5, 6, 9, 10 | Film Capacitor | FHC(180)2000V682J |
| 100-0227 | C11 | Film Capacitor | 0.47μF 50V |
| 100-1572 | C12 | Film Capacitor | FHC(180)2000V103J |
| 4255-016 | PS1 | Pressure Switch | W-W00032B |
| 100-1435 | CON1 | Socket / Connector | DPC25-10BP |
| 4730-010 | CON2 | Socket / Connector | DPC25-6BP |
| 4739-141 | TM5 | Terminal Block | T-3 (Black) |
| K5791B00 | DCV1 | Constant Voltage Power Supply | K5791B00 |
| K5791C00 | DCV2 | Constant Voltage Power Supply | K5791C00 |
| P30099P | PCB1 | Printed Circuit Board (PCB) | P30099P00 |
| P30086R | PCB2 | Printed Circuit Board (PCB) | P30086R00 |
| P30086Q | PCB3 | Printed Circuit Board (PCB) | P30086Q00 |
| P30087Q | PCB4 | Printed Circuit Board (PCB) | P30087Q00 |
| P30086V | PCB5 | Printed Circuit Board (PCB) | P30086V00 |
| P30086V | PCB6 | Printed Circuit Board (PCB) | P30086V00 |
| P30115M | PCB7 | Printed Circuit Board (PCB) | P30115M00 |
| P30086T | PCB8 | Printed Circuit Board (PCB) | P30086T00 |
| P30087T | PCB9 | Printed Circuit Board (PCB) | P30087T00 |
| P30086S | PCB10 | Printed Circuit Board (PCB) | P30086S00 |
| P30088V | PCB11 | Printed Circuit Board (PCB) | P30088V00 |
| P30086G01 | ① | Cover Plate | P30086G01 |
| P30086G02 | ② | Cover Plate | P30086G02 |
| P30146W02 | ③ | Operation Panel | P30146W02 |
| W-W03636 | ④ | Cover | W-W03636 |
| 4734-010 | ⑤ | Socket | EDZ120b(B)-1 (ROHS) |
| 100-1436 | ⑥ | Handle Cover | DCP73BH 3-Pole H Handle Cover |
| 4739-476 | ⑦ | Cover | W-W02814 |
| 4735-038 | ⑧ | Knob | K-100 22RSB |
| 4735-039 | ⑨ | Knob Cover | K-100 22CSBL |
| K5710C00 | ⑩ | Input Terminal Block | K5710C00 |
| K5710D01 | ⑪ | Input Terminal Block Cover | K5710D01 |
| W-W03591 | ⑫ | Input Cable Clamp | W-W03591 |
| P10565R02 | ⑬ | Cable Clamp | P10565R02 |
| 100-0393 | ⑭ | Membrane Rubber Plug | BB-1187B |
| 100-0201 | ⑮ | Fixed Caster | 420SR-RD50 |
| P30124U00 | ⑯ | Water Pipe | P30124U00 |
| W-W03784 | ⑰ | Output Terminal Cover | W-W03784 |
Note: Symbols marked with circled numbers in the table indicate structural accessories such as peripheral covers. Please purchase directly according to the Part No.
III. Genuine Parts Procurement & Technical Support
If you need to purchase the electronic components, control boards, or structural parts for the P500L Welder mentioned above, please provide us with the equipment nameplate and corresponding Part No. We guarantee 100% genuine original parts and provide professional technical support.
Contact Us
- Global Sales & Tech Support: +86-180-9663-1656 (WhatsApp / WeChat)
- Official Email: ahojotc@gmail.com
Please screenshot or copy the "Part No." you need and send it to us. We will provide you with real-time quotes and inventory status as quickly as possible!


