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 utilises a screw terminal connection and is suitable for size S00 devices.
With an insulation voltage rated at 690V and a surge voltage resistance rated at 6kV, this auxiliary switch block ensures safe and efficient operation in various industrial environments. It boasts an impressive mechanical service life of 10 million switching cycles and an electrical endurance of 200,000 switching cycles at AC-15 at 230V, making it a durable choice for your automation needs.
The 3RH1911-1FA22 is part of the renowned Siemens SIRIUS product range, known for its high-quality and performance. It operates effectively within an ambient temperature range of -25 to +60 degrees Celsius, making it versatile for use in a wide range of conditions.
Please note, this auxiliary switch block has a protection class IP20 on the front, ensuring it is protected against touch by fingers and similar objects.
Incorporate the Siemens 3RH1911-1FA22 auxiliary switch block into your system for enhanced control and reliability.