Elevator Forum

Originally Posted By: E311 401's will always have a separate group disconnect, they have a separate group controller. Some of the earlier 411HS units,...

Its only a 30A 3-pole fused switch, never saw the sizes of the fuses. No separate group controller that I could see, just the (4) main controller cabi...

Interesting. What I do know about Otis systems though is most of the modern controllers like the 411 and 401 I noted use a ring style communication lo...

Any ideas on this? Most elevators i've seen all of the power for the control elements is derived from the 3-phase main power feed to the controller/ma...