Siemens 3RT2916-1DG00 SIRIUS Surge Suppressor Diode 12-250 V DC
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The Siemens 3RT2916-1DG00 is a surge suppressor accessory (interference suppression diode) designed to protect contactor coils and auxiliary relay circuits from voltage spikes and transient overvoltages. Intended for use with SIRIUS S00 contactors and 3RH2 auxiliary contactors, this compact clip-on suppressor helps mitigate coil switching surges in DC control circuits operating from 12 V up to 250 V DC, enhancing reliability and reducing electromagnetic interference in automation systems. Its small S00 form factor and easy mounting make it ideal for adding surge protection directly at the coil terminals of contactors in industrial control panels, machinery and process installations where frequent switching or inductive loads are present.
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