Product Description

Power Contactors, SIRIUS 3RT2 Series, 3-Pole, Screw Terminals, AC-3 Duty, Coil Variant BF40 – 3RT2026-1BF40

🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2026-1BF40 (AC-3 Duty, 3-Pole, 110V DC Coil, S0 Size, 25A Class, 1NO+1NC Auxiliary)

🔹 Product Description

The Siemens 3RT2026-1BF40 is a reliable SIRIUS 3RT2 series power contactor designed for switching motors and industrial loads under AC-3 duty applications. It belongs to the S0 frame size category, offering compact construction with strong electrical performance suitable for industrial control systems.

This model features a 3-pole configuration with durable screw-type terminals, ensuring secure and vibration-resistant wiring connections in electrical panels and switchgear systems.

It is equipped with a 110V DC coil variant (BF40), making it suitable for DC control circuits commonly used in industrial automation and motor control applications.

The contactor also includes an integrated auxiliary contact block (1NO + 1NC), enabling reliable feedback and control signal integration within electrical systems.

Built on the Siemens SIRIUS modular platform, it supports easy integration with overload relays and accessory modules, allowing flexible and scalable panel design for modern industrial requirements.

With high electrical endurance, long mechanical life, and stable performance under frequent switching, this contactor ensures dependable operation in demanding environments.

🔹 Key Features

• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2026-1BF40
• 3-Pole heavy-duty switching design
• AC-3 duty optimized for motor control applications
• 110V DC coil (BF40 variant)
• S0 frame size (25A class)
• Screw terminal connection for secure wiring
• Integrated auxiliary contacts (1NO + 1NC)
• Compact modular design for panel integration
• High electrical and mechanical endurance
• Compatible with Siemens overload relays & accessories
• Suitable for industrial automation systems