Siemens 3RT1926-1CD00 RC Element S0 127 - 240 V/AC / 150 - 250 VDC

LED - Light Emitting Diode - a small light source

DC - Direct Current

AC - Alternating Current

Size - is the measurement of how big an object is in space.

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Voltage - A measurement of volts.

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