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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
Industry Standards: Meets UL
Universal Compatibility: Standardized screw/pressure plate terminals support secure connections for both 50/60Hz electrical systems
the manufacturer specifications require different part numbers to ensure proper electrode spacing and voltage handling
Its robust internal gearing handles high-duty cycles
Ruskin EFL/SP100/165 Flue Switch 321894-708 Industry Standards: Meets ULThe Ruskin EFL SP100 165 is a professional grade 165F fuse switch and heat responsive device designed specifically for integration with fire smoke dampers. As a UL Classified component, this electric resettable link functions as a critical safety cutoff, interrupting power to the actuator when ambient temperatures exceed 165F (74C). This allows the damper's spring return mechanism to engage, ensuring positive closure for life safety and fire