Product Description

Power Contactors, SIRIUS 3RT2 Series, 3-Pole, Screw Terminals, AC-3 Duty, Coil Variant AC20 – 3RT2027-1AC20

🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2027-1AC20 (AC-3 Duty, 3-Pole, 24V AC Coil, S0 Size, 32A Class, 3NO Auxiliary)

🔹 Product Description

The Siemens 3RT2027-1AC20 is a heavy-duty SIRIUS 3RT2 series power contactor designed for reliable switching of motors and industrial loads under AC-3 duty applications. It belongs to the S0 frame size category, offering high performance with a compact and modular design suitable for industrial control systems.

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

It is equipped with a 24V AC coil variant (AC20), making it suitable for standard industrial control circuits where AC control voltage is used for motor operation and switching.

A key feature of this variant is its integrated auxiliary contact configuration (3NO), providing reliable switching feedback and control signaling in automation systems.

Built on the Siemens SIRIUS modular platform, it supports seamless integration with overload relays and accessory modules, allowing flexible configuration in modern motor control and distribution panels.

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

🔹 Key Features

• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2027-1AC20
• 3-Pole heavy-duty switching design
• AC-3 duty optimized for motor control applications
• 24V AC coil (AC20 variant)
• S0 frame size (32A class)
• Screw terminal connection for secure wiring
• Integrated auxiliary contacts (3NO)
• Compact modular design for panel integration
• High electrical and mechanical endurance
• Compatible with Siemens overload relays & accessories
• Suitable for industrial automation systems