Siemens SIRIUS 3RH2 Contactor Relay, 24 V ac Coil, 10 A, 3NO + 1NC, 690 V ac

This contactor relay is a component designed for automation and control applications. It features a versatile configuration of 3 normally open and 1 normally closed contact, operating at a coil voltage of 24V AC. With compact dimensions of 57.5mm in length, 45mm in width, and 73mm in depth, this relay effectively manages electrical circuits within a range of ambient temperatures, ensuring optimal performance in various settings.

• Supports a contact voltage rating of 690V AC for enhanced safety
• Capable of handling a load current of 10A for reliable operation
• Offers an auxiliary contact configuration of 3NO + 1NC for additional functionality
• Features a maximum operating temperature of +60°C to withstand harsh environments
• Mechanical life expectancy of 30 million cycles provides longevity and durability

• Used in industrial automation systems for control operations
• Suitable for machine builders requiring robust electrical contactors
• Ideal for needing precise load switching, such as HVAC systems
• Utilised in motor control centres for efficient energy management

It supports a maximum no-load switching frequency of 10,000 actuations per hour, making it suitable for high-cycle applications without compromising durability.

It features shock resistance ratings of 11.4g and a surge voltage resistance of 6kV, ensuring dependable operation under robust operating conditions.

This model mounts onto a vertical DIN rail and allows for 180° rotational positioning, providing flexibility during installation and maintenance.