Siemens 3RT20451 Series

About the Siemens Siemens 3RT20451 Series series

The Siemens Siemens 3RT20451 Series series groups 64 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common arcing time of 10 ... 20 ms, height of 140 mm and width of 70 mm. Variants differ by depth, so you can match the exact depth your application requires using the selection guide below. The range mixes active and legacy part numbers, so you can source both current Siemens 3RT20451 Series variants and discontinued ones from a single page.