Are Shunt Trip Breakers Required For Elevators?
Are Shunt Trip Breakers Required For Elevators? 3.3. 2 (Safety Code for Elevators and Escalators) and the NEC 620.51(B) require power to an elevator be shut down prior to the release of water in the elevator shaft or machine room. This is typically accomplished by a shunt-trip device. … Surge protection is required per NEC