WebSep 16, 2024 · Fire alarm voltage monitoring relay (to monitor shunt trip voltage) Ground lug. Class J fuse mounting only. ... Power Module elevator disconnect switches and panels, and general information on selective … WebJan 26, 2010 · The shunt trip power must be 120VAC and must be supervised by the fire alarm system. Every Elevator will need the following Fire Alarm devices: Smoke detector in every elevator lobby Smoke detector in the elevator equipment room Smoke detector in hoist-way if permitted Relay for Primary Recall Relay for Secondary Recall Relay for …
Elevator Control Switches (ECS)
WebFeb 15, 2011 · A power shunt trip in an elevator operates simply and reliably. Heat detectors are located in the machine room and at the top of the hoistway, within 24 … Webtors supplied from a single feeder, and shunt tripping of elevators where the elevator equipment room and/or shaft has a fire suppression sprinkler system. Finally, typical installations and compliance with all ... consideration for supplying power to multiple eleva - tors is NEC 620.62. NEC 620.62 requires the elevator disconnecting means ... sawyer robertson stats
Elevator Control Switches (ECS)
WebAug 20, 2024 · If the elevator hoist way, pit, or machine room is required to have sprinklers, the fire alarm control unit is used to cut power to the elevator via a shunt trip prior to sprinkler activation to protect occupants. This is done by either placing a heat detector with a lower response time index (RTI) next to the sprinkler or by using a waterflow ... WebSpecifications • For multiple elevator applications • 600Vac, 3-phase • 30 to 200 amp feeder switches • 400 to 800 amp main switches • NEMA® 1 enclosure standard, other enclosures available, consult factory • Individual switches may be configured for different electrical requirements • Shunt trip capability • Selective coordination to meet code requirements WebThe disconnecting means is a shunt-trip operated switch . The control power source for the shunt-trip operator is a 120 Vac supply originating in the Eaton elevator control ES switch . Current to the shunt-trip device is switched by an isolation relay, which is in … sawyer robertson