Heavy-Duty SPNO Contacts: Provides reliable power management for single-pole

preventing mechanical stress and winding failure

this manual shut-off valve provides technicians with precise management of the system's charge during maintenance or diagnostic procedures

allowing the bimetal sensing element to extend directly into the airstream for rapid response times

Ruskin SP100EZ Switch THPU32HP7Y Heavy-Duty SPNO Contacts: Provides reliableThe Ruskin SP100EZ Switch is a heavy duty blade position indicator engineered for precise monitoring in multiple blade dampers. Designed to integrate seamlessly with BMS systems and Fire Alarm Control Panels (FACP), this electrical interface provides field verified status of whether blades are in the fully open or fully closed position. Utilizing two independent SPST switches, the SP100EZ eliminates guesswork during system commissioning and routine