700W 800W High Voltage Transformer for Microwave Light Wave Oven Overview & Applications The LGL-801EMR-1 High Voltage Transformer (700W / 800W) is engineered to provide stable, highly efficient power delivery for modern microwave and light wave ovens, as well as electronic equipment PCB power applications. Designed as a versatile single-phase EI transformer operating across 50/60Hz frequencies, this unit ensures precise voltage regulation to optimize cooking performance and