Siemens SIRIUS 3RH2 Contactor Relay, 125 V dc Coil, 3 A, 4NO, 690 V ac

This contactor relay is designed for efficient automation applications, featuring a robust 4NO contact configuration. With a compact design measuring 57.5mm in length, 45mm in width, and 73mm in depth, it offers significant versatility and ease of installation on DIN rail systems. Operating at a coil voltage of 125V DC and an AC contact voltage rating of 690V, this device provides reliable performance across various industrial settings.

• Supports a maximum contact current rating of 3A for robust usage
• Mechanical life extends up to 30 million operating cycles for longevity
• Delivers a high insulation voltage of 690V for safety standards
• Auxiliary contact relay included for expanded functionality
• Shock resistance ratings ensure durability in demanding environments
• Designed for efficient heat dissipation with a power loss of only 4W

• Utilised in industrial automation systems for motor control
• Effective in power distribution for switching operations
• Suitable for controlling ancillary equipment in machinery
• Ideal for complex control systems requiring reliable relay activation

This contactor relay functions efficiently within an ambient temperature range of -25°C to +60°C, making it suitable for various operating environments.

With a high insulation voltage rating and several operational current ratings, it effectively manages electrical loads while reducing the risk of short circuits.

The relay can be easily mounted on standard 35mm DIN rails, enabling straightforward integration into existing electrical panels or enclosures.