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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

step-down transformer

  1. J

    Step Down Transformer / need clarification on required ratings

    A PCB board circuit that controls a Door Drive Motor in an Elevator for opening/closing the sliding doors (machine room less elevator) currently runs on a Single Phase Supply of about 230 V (Input Range: 100 V - 230 V +10% -15%). The PCB board is connected via cables to the PM motor which runs...

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