Product Description

Power Contactors, SIRIUS 3RT2 Series, 3-Pole, Screw Terminals, AC-3 Duty, Coil Variant BB408K – 3RT2025-1BB408K

🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2025-1BB408K (AC-3 Duty, 3-Pole, 24V DC Coil, Screw Terminal, Auxiliary 1NO+1NC)

🔹 Product Description

The Siemens 3RT2025-1BB408K is a high-performance SIRIUS 3RT2 series power contactor designed for reliable switching of motors and electrical loads in industrial control systems. It is built for AC-3 duty applications, ensuring efficient and durable operation under frequent motor switching conditions.

This contactor comes with a 3-pole configuration and robust screw-type terminals, providing secure wiring connections and long-term stability in demanding industrial environments.

The device is equipped with a 24V DC coil variant (BB408K) and includes an integrated auxiliary contact set (1NO + 1NC), making it suitable for advanced control and feedback signaling in automation systems.

Built on the Siemens SIRIUS modular platform, it allows seamless integration with overload relays, protective devices, and control accessories, offering flexibility for modern electrical panel designs.

With compact construction and high electrical endurance, this model ensures reliable performance, reduced maintenance, and long operational life even in continuous switching applications.

🔹 Key Features

• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2025-1BB408K
• 3-Pole heavy-duty switching design
• AC-3 duty optimized for motor control applications
• 24V DC coil (BB408K variant)
• Integrated auxiliary contacts (1NO + 1NC)
• Screw terminal connection for secure wiring
• Compact modular design for panel integration
• High mechanical and electrical endurance
• Compatible with Siemens overload relays & accessories
• Suitable for PLC-based automation systems
• Reliable performance under frequent switching cycles