Siemens SIRIUS 3RT5946-4EA1 is a terminal cover designed for the 3RT504 series of power contactors. It's a protective accessory that fits over the main circuit terminals — keeps fingers and stray tools off live connections after commissioning. The lifecycle stage is listed as current, meaning it's still an active catalog line from Siemens.

Siemens SIRIUS 3RT5946-4EA1 Terminal Cover, Current Lifecycl
MPN3RT5946-4EA1
Siemens SIRIUS terminal cover, 3RT5946-4EA1, for 3RT504 power contactors, current lifecycle.
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jul 2026
Specifications
Specifications
| Parameter | Value |
|---|---|
| Substance prohibitance | 07/01/2006 |
Product details
Frequently asked questions
Will 3RT5946-4EA1 fit a 3RT5064-6AP36-0TH0 contactor?
No — this cover is designed for the 3RT504 contactor series. The 3RT5064-6AP36-0TH0 is a larger S10 frame; the cover won't align or seal correctly.
What is the product brand name for 3RT5946-4EA1?
Siemens SIRIUS — the industrial controls product family for contactors, overload relays, and accessories.
MPN
3RT5946-4EA1