Power Contactors, SIRIUS 3RT2 Series, 3-Pole, Screw Terminals, AC-3 Duty, Coil Variant BF40 – 3RT2027-1BF40

🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2027-1BF40 (AC-3 Duty, 3-Pole, 110V DC Coil, S0 Size, 32A Class, 1NO+1NC Auxiliary)

🔹 Product Description

The Siemens 3RT2027-1BF40 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 a compact and durable construction suitable for industrial control panels and automation systems.

This model features a 3-pole configuration with robust screw-type terminals, ensuring secure wiring connections and long-term stability in demanding electrical environments.

It is equipped with a 110V DC coil variant (BF40), making it suitable for DC control circuits used in motor control and industrial automation systems where stable electromagnetic switching is required.

The contactor includes an integrated auxiliary contact configuration (1NO + 1NC), providing reliable feedback and control signal integration in switching and interlocking applications.

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

With high electrical endurance, strong switching capability, and stable performance under frequent operations, this contactor ensures dependable operation in industrial environments.

🔹 Key Features

• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2027-1BF40
• 3-Pole heavy-duty switching design
• AC-3 duty optimized for motor control applications
• 110V DC coil (BF40 variant)
• S0 frame size (32A 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