What this varistor does on a 3RT7 S00 contactor
The Siemens 3RT7916-1BE00 is a surge suppressor varistor designed to plug directly onto 3RT7 S00 contactors, suppressing voltage spikes from the coil circuit during switching.

Siemens 3RT7916-1BE00 surge suppressor varistor, for plugging onto 3RT7 S00 contactors, lifecycle stage current.
The Siemens 3RT7916-1BE00 is a surge suppressor varistor designed to plug directly onto 3RT7 S00 contactors, suppressing voltage spikes from the coil circuit during switching.
Alternative models and sibling configurations in the same Siemens series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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