Welcome To Authorized Distributor of OTC Daihen Official Website!
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If you need to buy, you can contact me. Our company sells all types of OTC Daihen equipment, original parts and spare parts. We are the agent designated by OTC Daihen. All parts are guaranteed to be original and authentic.
| Model | Part Name | Notes |
|---|---|---|
| 300-0069 | Spring washer | |
| 300-0073 | AC contactor | GSC1-(CJX4-d)-38 |
| 300-0075 | IGBT module | |
| 300-0076 | Carbon film resistor | SPR3C 204J(200K) |
| 300-0078 | IGBT module | 2MBI200U4D-120 |
| 300-0079 | IGBT module | 2MBI200U4D-120-50 |
| 300-0085 | Thermal switch | US-602SXTTAS 90℃ |
| 300-0087 | Aluminum electrolytic capacitor | MAL204281109E3 |
| 300-0088 | Film capacitor | VW16X223K |
| 300-0102 | Hall element | CS-40GEH |
| 300-0108 | Solenoid valve | DF2-B(DC 24V) |
| 300-0109 | Hall element | |
| 300-0111 | Filter | |
| 300-0113 | Thermal switch | KSD301-PH-75/3-NC(230#CQC) |
| 300-0114 | Fuse holder | FC-04B27 |
| 300-0121 | Electromagnetic contactor | |
| 300-0133 | Solenoid valve | DF2-3-A（AC200V） |
| 300-0138 | Handle | |
| 300-0152 | Potentiometer | RV24YN-B502-20/3-1010 |
| 300-0155 | DC ammeter | |
| 300-0196 | Center interface assembly | |
| 300-0250 | DC voltmeter | TP-60KL DC100V |
| 300-0252 | Potentiometer | TC24B502-K |
| 300-0260 | DC ammeter | TP-60KL DC750A/FS.DC1mA |
| 300-0294 | Motor (with pinion gear) | |
| 300-0300 | Frame | |
| 300-0304 | Wire feed roller (0.8/1.2) | |
| 300-0382 | Socket | DPC25-6BP |
| 300-0388 | IGBT module | SKM150GB12T4G |
| 300-0389 | Thermal switch | KSD301-PM6-100/3-NC（#250） |
| 300-0394 | IGBT module | GD150HFU120C2S |
| 300-0404 | IGBT module | GD75HFU120CIS |
| 300-0412 | Glass fuse | 5Ｘ20 F15A 250V |
| 300-0426 | IGBT module | SKM200GB12T4 |
| 300-0525 | Square socket | P28F-16B |
| 300-0559 | Socket | DPC25-2BP |
| 300-0579 | Indicator lamp | ND16-22DS/4(380V)RED |
| 300-0582 | LED indicator | DB-40F-BY |
| 300-0583 | LED indicator | DB-40F-BG |
| 300-0615 | Fuse holder | OP530 |
| 300-0662 | Cement resistor | RX27-4V 40SH 150Ω |
| 300-0663 | Flow switch | JS-GM1/2 |
| 300-0668 | Air circuit breaker | DZ47-60 D32 |
| 300-0669 | Rectifier bridge | MDS401640R |
| 300-0670 | Shunt | 75mV 300A |
| 300-0671 | Fan | 17055HA3BL(FZY3-S) |
| 300-0672 | Output terminal | EDZ50b (R) |
| 300-0673 | Output terminal | EDZ50b (B) |
| 300-0676 | Cement resistor | 20W 510Ω |
| 300-0924 | Motor | |
| 300-664 | Output terminal | NX0060 |
| 300-665 | Output terminal | NX0058 |
| 3311-001 | Bearing 26MM | 6000LL(LLU) |
| 3311-003 | Bearing 30MM | 6200LLU |
| 3311-004 | Bearing | |
| 3311-006 | Straightening wheel | |
| 3311-008 | Bearing 28MM | |
| 3311-014 | Bearing 26MM | |
| 3311-029 | Bearing 26MM | |
| 3311-108 | Bearing | |
| 3361-001 | Chain | |
| 3361-206 | Parallel key | |
| 3361-207 | Parallel pin | |
| 3361-401 | CS-type retaining ring | CSTW-10 |
| 3361-402 | Thrust ring | STW-FT80X0.5 |
| 3361-403 | Retaining ring | E-6 |
| 3361-404 | CS retaining ring | |
| 3361-405 | E-type retaining ring | CM-2312 |
| 3361-407 | Retaining ring | |
| 3361-408 | CS retaining ring | CSTW-6 |
| 3361-503 | Round head screw | |
| 3361-505 | Wing nut | |
| 3361-608 | Hex socket screw | M4X16-ZM3C |
| 3361-655 | Screw | N-3 M5L=10 (black) |
| 3361-716 | Washer | BWW-625 |
| 3361-880 | Screw | M4X16-ZM3C ROHS |
| 3361-893 | Hex screw | Changed to 3361-884 |
| 3361-896 | Screw | |
| 34G10603 | Air hose (50M) | |
| 34G1Q002 | 50m air hose 1/4 (standard type) | |
| 3570-006 | O-ring | AN6227-6 NBR |
| 3570-007 | O-ring | W1516-7 |
| 3570-105 | O-ring | B2401 P5 |
| 3570-106 | O-ring | B2401 P6(NBR) |
| 3570-108 | O-ring | B2401-1A P8 NBR |
| 3570-124 | O-ring | S-9 4C silicone |
| 3570-125 | O-ring | |
| 3570-240 | O-ring | For WTCAW-5002 |
| 3570-301 | O-ring | W1516-10-4D |
| 3570-302 | O-ring | |
| 3570-303 | O-ring | W1516-18-4D AS568-213 |
| 3574-001 | O-ring | For WTC-3503 torch body |
| 3574-002 | O-ring | |
| 3574-003 | O-ring | S22.4(Viton) |
| 3574-004 | O-ring | |
| 3574-005 | O-ring | |
| 3574-006 | O-ring | P16 Viton MTXCAW-5031 |
| 36G90368 | Certificate of conformity | 36G90368 |
| 3900-002 | Arc starting cotton | #0 450g |
| 39G90369 | Warranty certificate | 39G90369 |
| 3B2000-80200 | Hex bolt | |
| 4250-001 | Push button switch | |
| 4250-007 | Push button switch | Changed to 4250-016 |
| 4250-016 | Push button switch | AH25-FG11 |
| 4250-018 | Push button switch | |
| 4250-031 | Push button switch | |
| 4250-077 | Push button switch | A2A-4R(RoHS) For wire feeding |
| 4250-123 | Changeover switch | A3CA-5050-R |
| 4250-132 | Switch | |
| 4251-001 | Switch | WD1111F |
| 4251-002 | Switch | WD1311F |
| 4251-004 | Switch | |
| 4251-007 | Switch | WD1711F |
| 4251-010 | Switch | WD1511F or S-32 |
| 4251-011 | Switch | |
| 4251-014 | Toggle switch | WD1011 |
| 4251-058 | Switch | AJ22411 Changed to 100-2024 |
| 4251-059 | Switch | |
| 4251-070 | Switch | WD1611F |
| 4251-077 | Torch cap | 47D31540 |
| 4251-081 | Switch | |
| 4251-093 | Switch | M2013SD8W01 |
| 4252-009 | Switch | MS14M1203 |
| 4252-013 | Rotary switch | SRF-113-Z RoHS |
| 4252-015 | Rotary switch | A7BS-206-1 42C30062 DT |
| 4252-024 | Rotary switch | A7BS-254-1 DT |
| 4253-017 | Power switch | NP4-30X/21 |
| 4253-024 | Thermal switch | |
| 4254-004 | Micro switch | Z15GW2 |
| 4254-108 | Switch | SE-W202A-30BB |
| 4254-118 | Switch | DS-850K-F1-00(black) |
| 4254-119 | Switch | DS-850C-F1-00(black) |
| 4254-121 | Switch | HLS208K12-W |
| 4254-129 | Micro limit switch | |
| 4254-137 | Micro switch | W-W02670 NT torch 42E00290 |
| 4254-140 | Switch | |
| 4254-141 | Switch | KCD3-102 |
| 4255-001 | Pressure switch | W-30019 |
| 4255-012 | Pressure switch | W-36255 |
| 4255-015 | Switch | |
| 4255-016 | Pressure switch | W-W00032B 42E40322 |
| 4258-016 | Thermal protector | |
| 4258-024 | Thermal switch | |
| 4258-026 | Thermal protector | |
| 4258-030 | Thermal protector | |
| 4258-033 | Thermal protector | 67L070 43C10304 |
| 4258-040 | Thermal switch | 67L085 ROHS |
| 4258-041 | Thermal switch | |
| 4258-051 | Thermal switch | |
| 4259-004 | Foot switch | |
| 4259-005 | Relay | W-34280B |
| 4259-006 | Relay | LA1DC12V |
| 4259-008 | Thermal switch | TRS5-90BLR 43C20163 |
| 4340-011 | Contactor | SC-N2S/SP AC200V |
| 4340-078 | AC electromagnetic contactor | SC-N2 AC200V |
| 4340-080 | AC electromagnetic contactor | SC-N2S AC200V 2A2B |
| 4340-095 | AC electromagnetic contactor | SC-5-1 AC200V 1A1B UL |
| 4340-098 | Fan | |
| 4340-125 | AC contactor | SC-5-1(1A1B,AC200V) CCC |
| 4340-126 | AC contactor | GSC1-4011D (OTCM) |
| 4340-127 | AC contactor | CJX4-3210D (OTCM) |
| 4340-305 | Relay | MK2P AC100V |
| 4340-501 | Relay | MY4 DC24 with socket PY14 |
| 4340-502 | Relay | |
| 4340-512 | Relay | |
| 4340-515 | Relay socket | |
| 4340-601 | Contactor | G4F-11123T DC24V Changed to 100-1642 |
| 4340-609 | Relay | |
| 4341-101 | Relay | LY2-C DC24V |
| 4341-103 | Contactor | LY4 DC24V |
| 4341-108 | Relay | |
| 4341-109 | Relay | |
| 4341-110 | Relay | |
| 4341-114 | Contactor | LY2 AC200V |
| 4341-129 | Relay | G2R-1-T DC24V |
| 4341-139 | Relay | G2R-1-T DC24V |
| 4341-206 | Relay | G6A-274P DC24V |
| 4341-308 | Relay | G6B-1114P-FD-US DC24V |
| 4341-502 | Relay | |
| 4346-003 | Buzzer | EA-4202 |
| 4346-005 | Buzzer | EB1124 |
| 4400-001 | Voltmeter | |
| 4400-002 | Voltmeter | 209420Y-V00 |
| 4401-002 | Voltmeter | |
| 4401-008 | Voltmeter | DCF-6 DC75V |
| 4401-016 | Voltmeter | 209354-HT/Z |
| 4401-019 | Voltmeter | 209390-HT/Z DC100V |
| 4401-022 | Voltmeter | FS1MA 44A10316 |
| 4401-025 | Voltmeter | |
| 4401-026 | Voltmeter | |
| 4401-034 | Voltmeter | |
| 4402-004 | Ammeter | 209437Y-A42 1000/1500A |
| 4402-005 | Ammeter | |
| 4403-002 | DC ammeter | W-31201 |
| 4403-033 | DC ammeter | DCF-6 600A/1MA |
| 4403-046 | Ammeter (300A) | |
| 4403-049 | DC ammeter | 209354HT/Z 600A/1MA |
| 4403-053 | DC ammeter | |
| 4403-054 | Ammeter | |
| 4403-056 | Ammeter | FS1MA 44A30451 |
| 4403-057 | Ammeter | |
| 4403-058 | Ammeter | 209390-HT/Z300A/1MA |
| 4403-061 | Ammeter (300A) | Only available in Japan |
📞 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 join me on WeChat to exchange knowledge and information about OTC welding machine experience.
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