Thailand's industrial voltage differs from Taiwan's—confirm this before buying machinery
Thailand's industrial sites commonly use 380V three-phase 50Hz, while most Taiwanese food machinery is factory-set to 220V three-phase 60Hz. Differences in voltage and frequency alter motor speed and output, directly affecting the dosing accuracy of filling machines and the production line rhythm of continuous egg-cooking lines. Buyers should require suppliers to specify voltage and frequency ratings during the inquiry stage and confirm whether a frequency inverter or transformer is included, to avoid discovering the equipment cannot be started after arrival.
How Taiwan and Thailand's industrial power differ
Typical Taiwanese food factories use 220V three-phase 60Hz, while some large plants use 380V three-phase 60Hz; Thailand's industrial standard is 380V three-phase 50Hz. When frequency drops from 60Hz to 50Hz, induction motor speed decreases by approximately 16.7%, affecting the design speed of mixing blades, conveyor belts, and filling pumps. Connecting 220V equipment directly to a 380V power supply risks burning out motors and control components, which is why turnkey projects must clearly specify electrical specifications at the contract stage.
Electrical items buyers should confirm with suppliers during acceptance
Rated voltage and phase
Confirm whether it is 380V three-phase or 220V three-phase, and require it to be marked on the machine nameplate and shipping documents.
Frequency matching
50Hz and 60Hz are not interchangeable; motor and inverter specifications must match the Thailand site conditions.
Inverter or transformer configuration
If the machinery needs to be compatible with both voltages, confirm whether a built-in inverter or an accompanying transformer is included.
Control panel and component certification
Thailand has local safety regulations for industrial equipment; circuit breakers, contactors, and wiring should comply with TIS standards.
Socket and wiring specifications
Thailand's three-phase sockets differ from Taiwan's, and wire cross-section must be recalculated based on the site load.
Why this is often discovered only after arrival
Many buyers focus only on machine functions and capacity, overlooking that electrical specifications are a site-specific item, only to find the equipment cannot be directly connected to power upon arrival at the Thai factory. If voltage, frequency, compressed air, and water conditions are not provided to the equipment supplier during the plant planning stage, the machine may need to be returned for modification, incurring additional freight costs and downtime losses. Buyers are advised to provide the factory's power system diagram during inquiry and require the supplier to state voltage, frequency, and whether inverter equipment is included in the quotation.
Provide your plant's electrical specifications to get a customized quote
Please provide us with the voltage, frequency, and production line plan for your Thailand plant. Our technical team will confirm the electrical configuration of the machinery based on the actual specifications and reply with a quotation.