·        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;

1. Datasheet