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This article provides the detailed parts breakdown for the OTC Daihen ADP400 argon arc welding machine. The symbols correspond to those in the ADP400 parts configuration diagram (refer to the previous article). All items listed are genuine OTC Daihen spare parts, with model numbers, specifications, and quantities for easy identification and ordering.
| No. | Symbol | Part Name | Model / Part Number | Specification | Qty |
|---|---|---|---|---|---|
| 1 | B1 | Button lithium battery | 4815-002 | CR2032 | 1 |
| 2 | C1 | Ceramic capacitor | 100-2038 | DFBE33D222ZA2B (2kV 0.0022µF) | 1 |
| 3 | C2~5 | High voltage metallized polypropylene film capacitor | 100-2039 | CBB80-2000V-472J | 4 |
| 4 | C6 | Ceramic capacitor | 100-2050 | DEBB33D102KN2A | 1 |
| 5 | C7 | Film capacitor | 100-2046 | C823C154JB0C000 | 1 |
| 6 | C8 | Film capacitor | 100-0227 | QYX1H474JTP | 1 |
| 7 | CC | Coupling coil | P30126U00 | P30126U00 | 1 |
| 8 | CON1 | Quick connector | 100-0095 | DPC25-2BP-Z | 1 |
| 9 | CON2 | Quick connector | 4730-005 | DPC25-4BP | 1 |
| 10 | CT1 | Current transformer | 100-0851 | QW-W00050 | 1 |
| 11 | — | Current transformer | 4810-030 | W-W03029 | 1 |
| 12 | CT2 | Current sensor | 100-0928 | HAS400-S/SP50 | 1 |
| 13 | DR1 | Rectifier module | 100-2045 | MMK75U160UX | 1 |
| 14 | DR2,3 | Rectifier module | 100-2040 | MMF200S060DK2B | 2 |
| 15 | DR4 | Rectifier module | 100-2041 | MMF300S060DA | 1 |
| 16 | DR5 | Rectifier module | 100-2043 | MMF2X100J060D | 1 |
| 17 | F1 | Fuse | 100-2034 | RT28-322A (R015) | 1 |
| 18 | — | Fuse holder | 100-1400 | RT28N-32/1P | 1 |
| 19 | FM | Fan | 100-1394 | TG22580HA6BT | 1 |
| 20 | L1 | DC reactor | P30126C00 | P30126C00 | 1 |
| 21 | L2 | Filter coil | 100-1950 | TW70WT40X15X27 | 1 |
| 22 | L3 | Filter coil | 4739-543 | E04RA310190100 | 1 |
| 23 | L4~L7 | Filter coil | 100-1950 | TW70WT40X15X27 | 4 |
| 24 | L8~L16 | Filter coil | 4739-543 | E04RA310190100 | 9 |
| 25 | LF1 | Filter | 100-1954 | AP7681 | 1 |
| 26 | — | Filter | 4519-036 | FS5681-33-99 | 1 |
| 27 | NF1 | Main switch | 100-0848 | DZ47-60D40A | 1 |
| 28 | PCB1 | Circuit board | P10464U | P10464U00 | 1 |
| 29 | PCB2 | Circuit board | P10346P | P10346P00 | 1 |
| 30 | PCB3 | Circuit board | P10263Q | P10263Q00 | 1 |
| 31 | PCB4 | Circuit board | P10327V | P10327V00 | 1 |
| 32 | PCB5 | Circuit board | P10346T | P10346T00 | 1 |
| 33 | PCB6 | Circuit board | P10327M | P10327M00 | 1 |
| 34 | PCB7 | Circuit board | P10263X | P10263X00 | 1 |
| 35 | PCB8 | Circuit board | P30126X | P30126X00 | 1 |
| 36 | PCB9 | Circuit board | P10293R | P10293R00 | 1 |
| 37 | PCB10 | Circuit board | P10293V | P10293V00 | 1 |
| 38 | PCB11 | Circuit board | P10346R | P10346R00 | 1 |
| 39 | PCB12 | Circuit board | P30067T | P30067T00 | 1 |
| 40 | PCB13 | Circuit board | P10293T | P10293T00 | 1 |
| 41 | PCB14 | Circuit board | P30126R | P30126R00 | 1 |
| 42 | PL1 | Indicator light | QW-W00115 | QW-W00115 | 1 |
| 43 | — | Indicator light | 4600-366 | N46010A7KW-01 | 1 |
| 44 | PS1 | Pressure switch | 4255-016 | W-W00032 | 1 |
| 45 | R1~4 | Varistor | 4516-119 | TND14V-911KB0LLM0 | 4 |
| 46 | R5 | Small oxide metal film resistor | 100-2037 | M0S2C511J | 1 |
| 47 | R6 | Cement resistor | 100-2044 | RX27-4V-40W-200R-J | 1 |
| 48 | R7 | Cement resistor | 100-2035 | RX27-4V-20W-15K-J | 1 |
| 49 | R8~13 | Carbon film resistor | 4508-015 | CFS1/4CT52A102J | 6 |
| 50 | R14~17 | Non‑inductive cement resistor | 100-1403 | RX27N-4V-30W-5.1RJ | 4 |
| 51 | R18a~c | Wire wound resistor | 100-2047 | RXB24N-95W-30RJ | 3 |
| 52 | R19a~c | Wire wound resistor | 100-2047 | RXB24N-95W-30RJ | 3 |
| 53 | R20~23 | Carbon film resistor | 4508-015 | CFS1/4CT52A102J | 4 |
| 54 | R24 | Wire wound resistor | 100-2048 | RXG1N80W200RJ | 1 |
| 55 | R25 | Carbon film resistor | 4508-015 | CFS1/4CT52A102J | 1 |
| 56 | R26,R27 | Carbon film resistor | 4508-015 | CFS1/4CT52A102J | 2 |
| 57 | R28~30 | Small oxide film fixed resistor | 100-2036 | SPR2CT52A204J | 3 |
| 58 | SOL1 | Solenoid valve | 100-0872 | ZCQ-20B-9 (DC24V) | 1 |
| 59 | SSR | Relay | 100-0670 | YHD4810A | 1 |
| 60 | T1 | Transformer | P30126B00 | P30126B00 | 1 |
| 61 | T2 | Autotransformer | 4810-916 | W-W02936 | 1 |
| 62 | THP1 | Temperature control switch | 100-0932 | KSD301-PH-110/3-NC (250#CQC) | 1 |
| 63 | THP2 | Temperature control switch | 100-0943 | KSD301-PM6-70/3-NC (250#CQC) | 1 |
| 64 | THP3 | Temperature control switch | 100-2049 | KSD301-PH-115/3-NC (250#CQC) | 1 |
| 65 | TM1 | Input terminal | K3904B00 | K3904B00 | 1 |
| 66 | — | Input terminal protection cover | K3904C01 | K3904C01 | 1 |
| 67 | TM2 | Terminal block | K3927B00 | K3927B00 | 1 |
| 68 | TM3 | Water cooling terminal | QW-W00090 | QW-W00090 | 1 |
| 69 | TR1~4 | IGBT module | 4534-418 | CM150DY-12NF | 4 |
| 70 | TR5,6 | IGBT module | 100-2042 | MMG400D060B6EN | 2 |
All parts listed above are 100% original OTC Daihen spare parts. Our company is an OTC-designated agent, ensuring you receive authentic components for your welding machine. Whether you need a single replacement or bulk orders, we are here to help.
📞 Contact Us for Orders / Inquiries
📱 Phone / WeChat / WhatsApp:
+86-180-9663-1656
📧 Email:
ahojotc@gmail.com
* For fastest response, please contact via phone or WhatsApp. You're also welcome to connect on WeChat to exchange knowledge and information about OTC welding machines.
Company: COMPANY：Authorized Distributor of OTC Daihen
Contact person: Contact：Mr.Fang
Mobile phone: Phone：+86-18096631656
Email address: Email：15305667776@163.com
Address: Add：Room 11-704, K Xijia, No. 502, Wangjiang West Road, Hefei, Anhui, China