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PDF Elevator Shunt Trip - Pages Elevator Shunt Trip - Fire Alarm Requirements Here are the requirements for heat detector placement, monitoring of power and wiring diagram from 1999 NFPA 72: 3-9.4.1* Where heat detectors are used to shut down elevator power prior to sprinkler operation, the detector shall have both a lower temperature rating and a higher Switching Devices - Eaton V2-T1-4 Volume 2—Commercial Distribution CA08100003E—November 2021 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1.1 Switching Devices Safety Switches Heavy-Duty Heavy-Duty, continued Notes 1 Separate neutral kit required. 2 600 V switch. Always verify the number of poles and wires required since catalog numbers may appear in Q and M-Frame Circuit Breakers Instruction Leaflet for Shunt Trip Circuit breaker handle ON - less than 9000 ohms. Terminal Block. Connection Diagram. Label (When Used). Identification. Label. Pigtail. Diagram.8 pages Shunt trip breaker diagram ...