WST-8 Versatile Dual Power Supply Controller HomeProductsAutomatic Transfer SwitchWST-8 Versatile Dual Power Supply Controller WST-8 Versatile Dual Power Supply Controller INTRODUCTIONWST-8 is a versatile dual power supply controller. Inquiry Back Out of stock., contact us Product Description FURTHER INFORMATION WST-8 is not only has conventional current, voltage, frequency, phase, active, reactive and other electrical parameter measurements, dual power switching functions, while the generator can be used to prepare and cast from the same period detection complex function, to ensure that important load continuous, reliable operation.