Guia técnico de aplicações para elevadores (EN)

Schneider Electric

Guia técnico de aplicações para elevadores (EN)

Publicado: 10 de maio de 2019 · Categoria: Cadernos técnicos

Deste documento

Control Panel Technical Guide How to choose the contactors for elevator machinery? > New EN 81-20 standard schneider-electric.com Components for elevator machinery: Schneider Electric offers a simpler choice in conformance with the new EN 81-20 standard New EN 8st1a-nd2a0 rd The new EN 81-20 standard is an update of EN 81-1 and EN 81-2. It takes into account changes with regard to safety in the past 15 years. Application: In force since 1st July 2014, it includes a three-year transition period. Elevators built according to the old standards can be sold until 1st June 2016. Main aspects concerned: Ventilation, elevator car roof, safety line, operating tests, emergency lighting, suspension, etc. Electrical aspects (see page 22): >> Circuit breaker/contactor coordination >> Utilization categories of contactors >> Auxiliary contacts of contactors and relays. Allowance for the EN 81-20 standard can entail a reappraisal of the customary technical options. Aware of this fact, Schneider Electric offers designers selection tables, calculated in accordance with the new standard and recommendations: >> Protection/control of motors and safety brake >> Components for the functions of the elevator shaft and car. 2 Control panel technical guide - Elevator EN 81-20 Components for elevator machinery............p. 4 1 Circuit breakers and contactors by application...............p. 4 >> Pump motor control for hydraulic drive................................................................ p. 4...