SIEMENS 3RT2024-1BB40

<h2>Reliable Siemens SIRIUS Contactor 3RT2024-1BB40</h2> <h3>Description</h3> <p>The Siemens 3RT2024-1BB40 is a high-performance power contactor from the SIRIUS modular system. It is designed for switching 3-phase motors and is a staple component in industrial control cabinets. Its 24V DC coil voltage makes it perfectly suited for direct control from PLC outputs, simplifying system design and wiring. This size S0 contactor is built for durability and reliable operation in demanding environments.</p> <h3>Specifications</h3> <ul> <li>Manufacturer: Siemens</li> <li>Product Series: SIRIUS</li> <li>Type: 3RT2024-1BB40</li> <li>Size: S0</li> <li>Coil Voltage: 24V DC</li> <li>AC-3 Operational Current (400V): 12 A</li> <li>AC-3 Motor Power (400V): 5.5 kW</li> <li>Number of Poles: 3</li> <li>Auxiliary Contacts: 1 Normally Open (NO), 1 Normally Closed (NC)</li> <li>Connection Type: Screw terminals</li> </ul> <h3>Label Info</h3> <ul> <li>EAN: 4011209831957</li> <li>Ui: 690V</li> <li>Ith: 40A</li> </ul> <h3>Application</h3> <p>Ideal for motor control applications in manufacturing, material handling, conveyor systems, and building automation. It’s commonly used to start, stop, and reverse AC motors under load.</p> <h3>Country of Origin</h3> <p>Made in Germany.</p> <h3>CO2 Impact</h3> <p>By purchasing this reused component, you are helping to prevent the emission of approximately 14.2 kg of CO2, which would have been generated during the production of a new unit.</p> <h3>Availability</h3> <p>This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.</p> <h3>FAQ</h3> <strong>What is the main advantage of a 24V DC coil on this 3RT2024-1BB40 contactor?</strong><br><p>A 24V DC coil allows for direct control from PLC digital outputs without needing an interposing relay. This simplifies wiring, reduces panel space, and is generally more energy-efficient than AC coils.</p> <strong>Can I add more auxiliary contacts to this S0 size contactor?</strong><br><p>Yes, the SIRIUS modular system allows you to easily mount additional auxiliary contact blocks onto the front or side of the 3RT2024-1BB40. This provides flexibility for more complex control circuits.</p> <strong>What does the ‘S0’ size designation signify for this Siemens contactor?</strong><br><p>The size designation (S00, S0, S2, etc.) refers to the physical dimensions and power rating of the contactor. Size S0, like this model, is designed for motors up to 7.5 kW (at 400V) and has standardized dimensions, allowing for easy integration with S0 motor protection circuit breakers and overload relays.</p> <p><em>spareparts2day is not an authorized distributor, reseller or representative of the products featured on this website. All product names, trademarks, brands and logos used on this site are the property of their respective owners.</em></p> <p>Last Update: Friday, March 13, 2026</p>