The Siemens 3RH1911-1HA01 is a high-quality auxiliary switch block designed to complement contactors used for motor switching applications. This component is part of the esteemed 3RH series and is renowned for its reliability and durability in industrial settings. With a snap-on mounting design, it ensures a secure and straightforward installation process.
Crafted for optimal performance, the switch block features a single normally closed (NC) contact configuration, conforming to the DIN EN50012 standard. The robust screw connection system facilitates a solid and dependable electrical connection, suitable for a variety of conductor types.
This auxiliary switch block is engineered to withstand a wide range of operating temperatures, from -25°C to +60°C, making it versatile for use in diverse environments. It boasts an impressive insulation voltage rating of 690V and an impulse voltage resistance of 6kV, ensuring it can handle the rigours of industrial electrical systems.
The compact dimensions of 36 x 38 x 32 mm allow for efficient use of space within electrical assemblies. The 3RH1911-1HA01 is designed with safety in mind, featuring mirror contacts to IEC 60947-4-1 and positively driven operation to IEC 60947-5-1, providing an extra layer of operational security.
Ideal for a wide range of industrial applications, this auxiliary switch block is a testament to Siemens' commitment to quality and innovation in electrical component design.