The Siemens SIRIUS 3RT5956-4EA1 is a terminal cover designed for the 3RT505 series of power contactors. It's a straightforward accessory — no ratings to decode, no wiring to second-guess. If you're rebuilding a panel or replacing a missing shroud on a 3RT505, this is the factory part that fits the screw terminals and maintains the specified clearances.
Siemens 3RT5956-4EA1 SIRIUS Terminal Cover, current lifecycl
MPN3RT5956-4EA1
Siemens SIRIUS terminal cover, 3RT5956-4EA1, for 3RT505 contactors, lifecycle stage current.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Aug 2026
Specifications
| Parameter | Value |
|---|---|
| Substance prohibitance | 07/01/2006 |
Product details
Frequently asked questions
What is 3RT5956-4EA1 used for?
It is a terminal cover for Siemens SIRIUS 3RT505 series power contactors. It protects the main-circuit screw terminals and maintains electrical clearance.
Does 3RT5956-4EA1 fit 3RT5064-6AP36-0TH0?
Yes. The cover is designed for the 3RT505 series, which shares the same S10 frame size as the 3RT5064-6AP36-0TH0 and 3RT5065-6NF36 contactors. The shroud fits without modification.
MPN
3RT5956-4EA1