·         Manufacturer: Siemens;

·         Part Number: 3RT1916-1BB00;

·         Product Family: SIRIUS 3RT10 / 3RT19 Accessories;

·         Module Type: Surge Suppressor (Varistor Module);

·         Function: Overvoltage protection for contactor coils;

·         Technology: Varistor (MOV);

·         Rated Control Voltage: 24–48 V AC; 24–70 V DC;

·         Mounting Type: Plug-on module (mounted directly on contactor coil terminals);

·         Compatible Contactors: SIRIUS 3RT10, 3RT13, 3RT14, 3RT15, 3RT16;

·         Frame Size: S00;

·         Electrical Function: Suppresses switching voltage spikes from contactor coils;

·         Protection Type: Surge suppression (no LED indication);

·         Operating Temperature Range: −25 °C to +60 °C;

·         Degree of Protection: IP20;

·         Dimensions (Approx.): 28 × 46 × 9 mm;

·         Weight (Approx.): ~7–10 g;

·         Mounting Method: Snap-on / plug-in;

·         Status: Discontinued (phase-out product);

·         Successor Part: 3RT2916-1BB00;

·         Typical Application: Industrial motor control panels, protecting PLC/contactor circuits from coil-induced voltage spikes;