The Yokogawa ZVLII-06-220 is a compact, single-phase voltage regulator designed for precise voltage stabilization in industrial and commercial applications. It belongs to Yokogawa's ZVL series, which is renowned for high reliability and accuracy in maintaining stable output voltage despite fluctuations in input voltage or load conditions. This model is commonly used to protect sensitive equipment (e.g., PLCs, sensors, instrumentation) from power supply variations.