Siemens 3RH1911-2GA22 4-Pole Auxiliary Switch Block
Siemens 3RH1911-2GA22 4-pole auxiliary switch block for contactor relays.
The Siemens 3RH1911-2GA22 is a 4-pole auxiliary switch block featuring spring-type terminals and a contact configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, compliant with EN 50011. It is designed for use with Siemens contactor relays. This model is a phased-out product, with the SIRIUS 3RH2 series, specifically the 3RH2911-2GA22, identified as its preferred successor.
This auxiliary switch block is integral to control systems, enabling functions such as status indication, interlocking, and alarm generation in conjunction with contactor relays. Its applications span across various industrial sectors, including manufacturing plants, machine tools, and automated facilities requiring precise electrical control.
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| Poles | 4 |
| Contacts | 2 NO + 2 NC |
| Terminal Type | Spring-type |
| Standard | EN 50011 |