This page showcases the OTC DAIHEN 4614-109 switch circuit breaker, a genuine spare part used in many OTC welding power sources. This component combines a power switch with overcurrent protection, ensuring safe and reliable operation of the welding machine. Below you will find photos, specifications, and ordering information.




The 4614-109 is a genuine OTC DAIHEN switch circuit breaker used across various OTC welding power sources. It serves as both the main power switch and a protective circuit breaker, automatically shutting off power in case of overload or short circuit to prevent damage to the welder. Manufactured to OEM specifications, this component ensures reliable performance and long service life.
Part Number: 4614-109
Description: Switch circuit breaker for welding machine
Application: OTC DAIHEN welding power sources (various models)
Function: Power switch with integrated overcurrent protection
Origin: Japan – genuine OTC DAIHEN production
Using authentic OTC DAIHEN 4614-109 switch circuit breakers ensures correct current ratings, reliable tripping characteristics, and long‑term durability. Non‑OEM replacements may fail to protect the welder properly. As an authorized OTC DAIHEN distributor, we supply only 100% original, factory‑sealed parts.
We offer a full range of OTC DAIHEN equipment, original spare parts, and consumables. Contact us for switches, circuit breakers, cables, and more.
For pricing, stock availability, or technical inquiries regarding the OTC DAIHEN 4614-109 switch circuit breaker, please contact us.
Phone / WhatsApp: +86-180-9663-1656
Email: ahojotc@gmail.com (preferred for detailed inquiries)
You are also welcome to connect on WhatsApp for technical discussions and knowledge sharing about OTC DAIHEN welding machines, cutting systems, and robotic equipment.
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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