The Siemens 3RT2916-1BB00 is a varistor surge suppressor suitable for 24-48V AC (50/60Hz) and 24-70V DC applications. This surge suppressor is specifically designed for Siemens 3RT2.1 contactors and 3RH2 auxiliary contactors, providing effective protection against electrical surges and transient voltages, thus extending the life and enhancing the stability of the contactors.
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