Variable Frequency Drives (VFDs)

Match the motor nameplate kilowatts and voltage class first, then check the overload duty the application needs (light duty for fans and pumps, normal or heavy duty for conveyors, mixers and hoists). Confirm the control mode — basic V/f is enough for fans and pumps, vector control gives better torque at low speed. Finally check braking: high-inertia loads that decelerate quickly need a braking resistor or the drive will trip on overvoltage. Send us the motor nameplate photo and we size the drive for you at quotation.

You can, but every parameter must be re-entered in the new drive’s format and the terminal layout changes, so budget commissioning time. Staying inside the same brand family keeps the terminal numbering, keypad menus and communication protocol, which is why most urgent replacements are same-family swaps. We quote both options — send the old nameplate and we will flag what changes.

Compact drives (FR-D700, ATV12 / ATV320, V20 class) are built for simple machines: fixed overload duty, V/f control, smaller I/O, no expansion slots. General-purpose drives (FR-E740 / A840, G120, MD500 class) add vector control, higher overload capacity, fieldbus options and pluggable terminals. If the original drive had an option card or ran a communication network, you need the general-purpose class — check the old unit for option slots before ordering a compact replacement.

Every VFD on this page is a generic aftermarket compatible replacement, NOT an original OEM product. Brand names and model numbers are the property of their owners and are used only to state what each unit replaces. Units are built to the same frame sizes and terminal layout, are inspected and run-tested before shipment, and carry our 12-month warranty as seller — InverterPLC is an independent supplier, not an authorised distributor of any brand named here.

Every unit is procured per order. We confirm the exact lead time at quotation — typically 1 to 3 weeks — and state it in writing before you pay. We ship by DHL / FedEx / UPS express to Vietnam, Thailand, Malaysia, Indonesia, the Philippines and Singapore, and by sea or air freight for consolidated orders.