The Siemens 3RH1911-1FA22 is a robust and reliable auxiliary switch block designed to enhance the functionality of your contactor relays and motor contactors. This switch block features 2 Normally Open (NO) and 2 Normally Closed (NC) contacts, conforming to EN 50005 standards. It's designed for screw terminal connections and is suitable for size S00 devices.
With an insulation voltage rated at 690V and a surge voltage resistance rated at 6kV, this switch block ensures safe and efficient operation even in demanding industrial environments. It's designed to withstand ambient operating temperatures ranging from -25°C to +60°C, and storage temperatures from -55°C to +80°C.
The Siemens 3RH1911-1FA22 auxiliary switch block boasts a mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V. This makes it a durable and long-lasting solution for your industrial control needs.
This product is part of the renowned Siemens SIRIUS range, known for its high-quality and reliable industrial control components. The 3RH1911-1FA22 auxiliary switch block is a testament to Siemens' commitment to innovation and excellence in the field of industrial automation and control.