Siemens SIRIUS 3RT Size S0, 3RT2 Contactor, 110 V ac Coil, 3-Pole, 38 A, 18.5 kW, 1NO + 1NC

This contactor is a power control device designed for use in industrial settings, specifically within automation systems. The product features a coil voltage of 110V AC and is equipped with three poles for effective load management. It boasts a compact size, measuring 45mm in width and 97mm in depth, making it suitable for installation on DIN rail mounts, optimising space in control cabinets. It is available with a robust contact current rating of 38A and a high voltage rating of 690V AC.

• Exceptional contact current capacity of 38A enables high-load management
• 690V AC voltage rating supports demanding industrial applications
• 110V AC coil voltage ensures compatibility with standard control systems
• Designed with a screw terminal for straightforward wiring connections
• Dual auxiliary contacts enhance versatility for additional functionalities
• Operating temperature range from -25°C to +60°C enables diverse environmental use

• Used for controlling motors and heavy electrical loads
• Ideal for automation systems requiring dependable switching solutions
• Suitable for integration within complex electrical control circuits
• Designed for reliable performance in harsh industrial environments

A high voltage rating of 690V AC allows for safe operation under demanding conditions, ensuring that it can handle significant electrical loads without risk of failure or overheating of components. Proper installation following safety regulations is essential for user protection.

With a power loss of 9.6W at rated current, this device minimises unnecessary energy drain, contributing to higher efficiency overall while maintaining functionality during operation.

Yes, with a mechanical service life of approximately 10 million operating cycles, it is well-suited for applications requiring high-frequency switching, ensuring durability and longevity even under intense operation.