Ferraz Shawmut SIRCO disconnect switches are extremely durable, manually operated, non-fused disconnect switches. These heavy duty switches are designed with the most up-to-date disconnect switch technology available. Designed to suit the UL98 standard, the SIRCO gives you a product that "makes and breaks" power circuits on load. The SIRCO switches are tested and approved for use in the most demanding applications, such as "Service Entrance". Up to 400A, the switches come with visible blade contacts. A wide array of handles are available to meet OSHA padlocking requirements, NEMA configurations and defeater options.