The Siemens 3RT2028-2BB40 is a robust and efficient power contactor, designed to handle significant electrical loads with precision and reliability. This three-pole contactor is rated for AC-3 38 A and 18.5 kW at 400 V AC, making it an excellent choice for a variety of industrial applications. It features 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, and operates with a control voltage of 24 V DC.
Crafted for durability and performance, the 3RT2028-2BB40 boasts spring-type terminals that facilitate secure and straightforward connections. Its compact size, classified as size S0, ensures it fits seamlessly into various configurations, optimising space within electrical assemblies.
This contactor is particularly suited for tasks involving starting or stopping motors and managing electrical circuits in manufacturing plants, HVAC systems, and other industrial settings. Its design conforms to high standards, offering reliable insulation with a rated value of 690 V and surge voltage resistance up to 6 kV.
With its straightforward mounting options, including screw and snap-on mounting compatible with 35 mm standard mounting rails, the Siemens 3RT2028-2BB40 provides flexibility and ease of installation. This makes it a preferred choice for professionals looking to enhance operational efficiency and reliability in their electrical systems.