
Siemens 3RT2926-1BB00
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The Siemens 3RT2926-1BB00 surge suppressor with varistor is designed for use with size S0 motor contactors. Suitable for control voltages of 24 ... 48 V AC and 24 ... 70 V DC, this compact accessory helps limit switching overvoltages and supports reliable operation in industrial control panels, machine building and motor starter applications.
By reducing voltage peaks at the coil, this Siemens varistor module contributes to improved protection of adjacent control components and helps maintain stable switching performance. It is a practical choice for panel builders, OEMs and maintenance professionals looking for a dependable surge suppressor for Siemens motor contactors.