MT42 A4N10193 elevator button

Install mounting dimension: 32.8*32.8mm

Red led or blue led, MT42,A4N10193 ThyssenKrupp Thyssen elevator call button,

MT42,A4N10193, these two push buttons look the same in appearance, the same design, the same size, but the thickness, circuit and plug-in are different.

Voltage is DC24V, commonly used LED is red.