The Square D VH363N Fusible Safety Disconnect Switch is a reliable and efficient electrical device designed for use in industrial and commercial settings. With a maximum amperage of 100A and voltage rating of 551-600V AC, this 3-pole disconnector offers a safe and secure on/off operation method. The viewing window feature allows for easy monitoring of the switch's status, making it suitable for wall mounting in interior spaces. As a trusted brand in the industry, Square D ensures quality and performance in their line of circuit breakers and disconnectors.