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This guide provides the detailed parts breakdown for the OTC Daihen XD600G welding machine. 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 | T1 | Three‑phase transformer | C0143B00 | C0143B00 | 1 |
| 2 | L1 | Balanced reactance | C0045C00 | C0045C00 | 1 |
| 3 | L2 | DC reactor | C0143D00 | C0143D00 | 1 |
| 4 | MS | AC contactor | — | SC-N3/GZ405 AC200V (CCC) | 1 |
| 5 | F1 | Glass tube fuse | 461Q-003 | 250V 5A | 1 |
| 6 | F2,3 | Glass tube fuse | 4610-004 | 250V 10A | 2 |
| 7 | — | Fuse holder | 4610-128 | HF-008 | 3 |
| 8 | S1 | Transfer switch | 4253-017 | NP4-30X/21 | 1 |
| 9 | S2,3,4 | Switch | — | KCD3B-12 (black) | 3 |
| 10 | S5 | Switch | — | KCD3B-102 (black) | 1 |
| 11 | S6 | Transfer switch | 4252-024 | A7BS-254-1 | 1 |
| 12 | — | Switch mounting parts | 4739-369 | A7B-M-1 | 1 |
| 13 | PL1 | Indicator light | 460Q-372 | ND1-25/40 380V RED | 1 |
| 14 | PL3 | LED indicator | 4600-345 | DB-40BY | 1 |
| 15 | PL4~6 | LED indicator | 4600-349 | DB-40BG | 3 |
| 16 | V | DC voltmeter | — | 209354-HT/Z DC100V | 1 |
| 17 | A | DC ammeter | — | 209354-OT/Z 750A/1mA | 1 |
| 18 | R3,4 | Potentiometer | 4501-039 | RV24YN20SB 5kΩ | 2 |
| 19 | — | Knob | 4735-008 | K2195(S) | 2 |
| 20 | FM | Fan | — | A4E300-AP26-02 | 1 |
| 21 | T2 | Auxiliary transformer | W-W05050 | W-W05050 | 1 |
| 22 | T3,4 | Auxiliary transformer | W-W05053 | W-W05053 | 2 |
| 23 | L4 | Filter inductor | C0045V00 | C0045V00 | 1 |
| 24 | F4,5 | Bolt‑type fuse | 4612-009 | RL1-15 380V 5A | 2 |
| 25 | — | Fuse holder | 461Q-121 | RL1-15 500/600V 15A | 2 |
| 26 | R15 | Metal oxide film resistor | 450Q-125 | RS2B 470ΩJ | 1 |
| 27 | C10~13 | Ceramic capacitor | 4517-452 | 2kV 0.0022µF | 4 |
| 28 | SCR1,2 | Thyristor module | 4530-165 | PWB200AA40 or PFT2014N | 2 |
| 29 | — | — | 4530-166 | — | 1 |
| 30 | THP1 | Temperature control switch | 4614-051 | 67L090 | 1 |
| 31 | R9~14 | Carbon film resistor | 4508-015 | RD1/4S 1kΩJ | 6 |
| 32 | C4~9 | Polyester film capacitor | 4518-402 | 50V 0.47µF | 6 |
| 33 | CT | Hall element | 4406-012 | S3EH-400/4DH1 | 1 |
| 34 | R1,7,8 | Cement resistor | 4509-858 | 40SH 40ΩKA | 3 |
| 35 | R2 | Cement resistor | 4509-805 | 40SH 1ΩKA | 1 |
| 36 | C1~3 | Ceramic capacitor | 4517-401 | 0.01µF 2kV | 3 |
| 37 | L3 | Inductor | C0045U00 | C0045U00 | 1 |
| 38 | CON1 | Socket | 473Q-006 | DPC25-4BP | 1 |
| 39 | CON2 | Socket | 4730-010 | DPC25-6BP | 1 |
| 40 | — | Secondary terminal | K5505E00 | K5505E00 | 2 |
| 41 | — | AC socket | — | AC-T03FB03 | 1 |
| 42 | — | Input terminal block | K5307B00 | K5307B00 | 1 |
| 43 | — | Input terminal cover | K5307D00 | K5307D00 | 1 |
| 44 | PS1 | Pressure switch | 4255-016 | W-W00032B | 1 |
| 45 | SCR3 | SCR module | 4530-412 | SG25AA20 | 1 |
| 46 | PCB1 | Printed circuit board | K5374P | K5374P00 | 1 |
| 47 | ROM | Microprocessor | C0045X | C0045X00 | 1 |
| 48 | PCB2 | Printed circuit board | C0045Q | C0045Q00 | 1 |
| 49 | S7 | Transfer switch | 4252-013 | SRF113 | 1 |
| 50 | — | Knob | 4735-036 | ART-25KFB | 1 |
| 51 | R5,6 | Potentiometer | 4501-039 | RV24YN20SB 5kΩ | 2 |
| 52 | — | Knob (medium) | 4735-021 | K2195 (M) | 2 |
| 53 | DR1,2 | Diode | 4531-710 | D1N60-4060 | 2 |
| 54 | PB | Key switch | — | VAQ-4R | 1 |
| 55 | — | Plug | 4730-009 | DPC25-6A | 1 |
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