Power Contactors, SIRIUS 3RT2 Series, 3-Pole, Screw Terminals, AC-3 Duty, Coil Variant XF400LA2 – 3RT2026-1XF400LA2

🔹 Siemens SIRIUS 3RT2 Power Contactor – 3RT2026-1XF400LA2 (AC-3 Duty, 3-Pole, 110V DC Coil, S0 Size, 25A Class, Extended Operating Range)

🔹 Product Description

The Siemens 3RT2026-1XF400LA2 is a high-performance SIRIUS 3RT2 series traction-grade 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 compact construction with enhanced electrical endurance and stable operation in demanding industrial environments.

This model features a 3-pole configuration with robust screw-type terminals, ensuring secure and vibration-resistant wiring connections for long-term reliability in control panels and switchgear systems.

It is equipped with a 110V DC coil variant (XF400LA2) and an electronic operating mechanism with integrated varistor protection, improving switching stability and protecting the coil from voltage surges during operation.

A key feature of this variant is its extended operating range design, allowing consistent performance even under fluctuating control voltages, making it suitable for heavy-duty industrial and traction-related applications.

Built on the Siemens SIRIUS modular platform, it supports seamless integration with overload relays and auxiliary contact modules, enabling flexible configuration in modern automation and motor control systems.

With high mechanical endurance, strong electrical reliability, and stable switching performance, this contactor is engineered for continuous industrial operation in critical systems.

🔹 Key Features

• Genuine Siemens SIRIUS 3RT2 Series Contactor
• Model: 3RT2026-1XF400LA2
• 3-Pole heavy-duty switching design
• AC-3 duty optimized for motor control applications
• 110V DC coil (XF400LA2 variant)
• Electronic drive mechanism with varistor protection
• Extended operating range for voltage stability
• S0 frame size (25A class)
• Screw terminal connection for secure wiring
• High electrical and mechanical endurance
• Modular design compatible with Siemens accessories
• Suitable for industrial automation and traction applications