Siemens 3RH1921-1EA11 Beckhoff Built-in EMC Filter and Brake

Built-in EMC Filter and Brake Chopper: Reduced need for external components

Building Automation: Interfaces with HVAC and other building management systems

or replacement

Isolation: Electrically isolated interface

Siemens 3RH1921-1EA11 Beckhoff Built-in EMC Filter and BrakeSiemens 3RH1921 1EA11 Auxiliary Contact Block for Contactors Overview The Siemens 3RH1921 1EA11 is a front mountable auxiliary contact block designed for use with SIRIUS 3RT and 3RH contactors. It provides one normally open (NO) and one normally closed (NC) contact, offering flexibility for control and signaling circuits in industrial automation systems. Key Features Contact Configuration: 1 NO + 1 NC Mounting Style: Front mounted (snap on design)