Siemens 3RT2025-2KB40 SIRIUS Contactor - 17A, 7.5kW, 24V DC, Varistor
Siemens 3RT2025-2KB40 3-pole power contactor, 17A, 24V DC coil with varistor, PLC output compatible.
The Siemens 3RT2025-2KB40 is a 3-pole power contactor designed for AC-3e/AC-3 applications, rated for 17A and 7.5 kW at 400V. This model features a 24V DC coil with a control voltage range of 0.7-1.25 times Uc. It is equipped with a plugged-in varistor for surge suppression, making it suitable for direct connection to PLC outputs. The contactor includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contacts and uses spring-loaded terminals. It is built to Siemens' Size S0 frame and cannot have additional auxiliary switches added.
This contactor is engineered for reliable switching in demanding industrial environments. Its compatibility with PLC outputs makes it ideal for modern automated systems in manufacturing plants, process control, and building management systems. Industries that benefit from this part include automotive manufacturing, food and beverage processing, and material handling systems where precise control and surge protection are essential.
Stanlo Automation, a veteran-owned business, specializes in providing high-quality surplus industrial automation parts. We offer the Siemens 3RT2025-2KB40 at competitive prices, ensuring that your operations can continue with minimal disruption. Trust Stanlo Automation for efficient sourcing and delivery of essential components, backed by our commitment to customer satisfaction and deep industry knowledge.
| Type | Power Contactor |
| Manufacturer | Siemens |
| Part Number | 3RT2025-2KB40 |
| AC-3e/AC-3 Rating | 17 A |
| Power Rating | 7.5 kW @ 400 V |
| Poles | 3 |
| Coil Voltage | 24 V DC (0.7-1.25* Uc) |
| Auxiliary Contacts | 1 NO + 1 NC |
| Terminal Type | Spring-loaded |
| Size | S0 |
| Features | Plugged-in varistor, PLC output suitable, no add-on aux. switch |