BR27C A311 round button
$ 3.60
elevator button BR27C A311 round button suitable for OTIS Xizi Otis elevator accessories
Description
The button is divided into blue light, white light, and red light, but the color of the light is different. Please buy 3 lines for Otis, and 4 lines for other elevator brands. 3 lines and 4 lines cannot be used in common. 3-wire and 4-wire refer to internal wiring, not visible from the outside. There are 4 pins.
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