The CNC YC9-VA-3 4-Pole V-A Protection This powerful 4-pole protection device is specially designed to provide complete protection against overvoltage, undervoltage, and overcurrent. It automatically disconnects the power supply when any unsafe condition is detected, thereby safeguarding your refrigerators, air conditioners, televisions, computers, and other sensitive machinery. Features of 4-Pole V-A Protector : 4-pole configuration Provides V-A (Voltage-Ampere) protection Specifications of 4-Pole V-A Protector : Model: CNC YC9-VA-3 Rating: 1-63A Voltage: 330V-440V Uses: Protection of electrical circuits and equipment Prevention of damage from voltage and current fluctuations Industrial applications Commercial applications Residential applications Benefits: Enhanced safety Increased equipment lifespan Reduced downtime Improved reliability of electrical systems Package includes: 1x CNC YC9-VA-3 4-Pole V-A Protection Device