3RH2911-2DA11
The Siemens SIRIUS 3RH2911-2DA11 is a side-mounted auxiliary switch with one normally open and one normally closed (1 NO + 1 NC) contact and spring terminal connection. It is specifically designed for side mounting of 3RT2.1 (S00) contactors, without occupying the front space of the contactor, and is suitable for control circuits that require the front position to be retained.
Product Positioning
The 3RH2911-2DA11 is a side-mounted auxiliary switch of the SIRIUS 3RH29 series. The module width is only about 10mm. It is installed on the side of the S00 contactor and can be used in conjunction with the front-mounted auxiliary switch. It is suitable for occasions with a large number of contacts or limited panel height.
Core Product Advantages and Features
Side mounting saves space
Installed on the left or right side of the contactor, leaving front space for a pre-amplifier switch or other accessories.
1 normally open and 1 normally closed contact
It provides one normally open and one normally closed auxiliary contact for status feedback, interlocking, or control signals such as indicator lights.
Dedicated S00 contactor
It is compatible with 3RT2.1 (S00) size contactors, with snap-fit fixing for quick and reliable installation.
Spring terminal connection
Spring terminals eliminate the need for screws, are vibration-resistant, save time on wiring, and are suitable for mass production of panels.