3RH2911-2HA22 SIEMENS

The 3RH2911-2HA22 is a front-mounted auxiliary switch designed for use with Siemens 3RH contactors and 3RT contactor relays. This auxiliary switch features a combination of normally open (NO) and normally closed (NC) contacts, specifically configured with 2 NO and 2 NC contacts. The current path arrangement includes 1 NC, 1 NC, 1 NO, and 1 NO, providing versatile switching options for various control circuit applications. It utilizes spring-type terminals, ensuring secure and reliable connections. The terminal designations are .1/.2, .1/.2, .3/.4, and .3/.4, facilitating easy wiring and identification. This auxiliary switch enhances the functionality of the main contactor by providing additional contacts for signaling, interlocking, or other control functions. Its compact design allows for easy installation on the front of the contactor, saving space in the control panel. The 3RH2911-2HA22 is a crucial component for creating comprehensive and efficient control systems. It is suitable for a wide range of industrial applications where reliable auxiliary switching is required.