The ABB OT400U04D is a high-performance disconnect switch designed for superior electrical management. This model features an 8-pole switch configuration with a 400A rating, suitable for non-fused applications. It complies with UL98 standards and can handle up to 1500VDC, making it ideal for high-voltage operations. The OT400U04D ensures reliable disconnection and safety in no-load conditions, perfect for industrial settings requiring robust power distribution and safety mechanisms. With its durable construction and precise engineering, this disconnect switch is an essential component for efficient electrical systems.