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By certification 
Product introduction
Fermator Elevator door controller door inverter VVVF4+，This product is divided into two Schindler models and general models，The general model has been discontinued and can be replaced by VF5+，Does not affect the use, while providing technical support.
Product parameter (specification)
Type |
Elevator parts |
Category |
Elevator door controller |
Brand |
Fermator |
Model |
VVVF4+ |
Applicable |
Schindler and General |
Warranty Time |
1 year |
Certificates |
ISO9001 |
http://www.sanjinelevator.com/
