Siemens 3RT2026-2XB40-1LA2 SIRIUS Power Contactor, 25A, 11kW, 24V DC Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RT2026-2XB40-1LA2 is a high-performance SIRIUS 3RT2 power contactor designed for demanding traction applications. This compact and robust 3-pole contactor is engineered to handle an AC-3e/AC-3 current of 25 A and a power rating of 11 kW at 400 V. Featuring an advanced solid-state operating mechanism with an integrated varistor, it ensures reliable and precise switching operations while providing surge protection for sensitive control electronics.

The 24 V DC control voltage and a wide operating range of 0.7-1.25 * Uc make it exceptionally versatile. The inclusion of 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, along with a secure spring-loaded terminal, simplifies wiring and integration. Its compact S0 frame size and upright mounting position allow for efficient use of space in control cabinets.

Key Features

• High-Performance Switching: Rated for AC-3e/AC-3, 25 A current and 11 kW at 400 V, suitable for motor control and switching applications.
• Solid-State Operating Mechanism: Provides long-lasting, reliable, and noise-free operation compared to traditional coil-based mechanisms.
• Integrated Varistor: Protects against voltage spikes and surges, extending the lifespan of the contactor and connected equipment.
• Versatile Control: Operates on a 24 V DC control voltage with a wide tolerance of 0.7-1.25 * Uc, ensuring stable performance under fluctuating power conditions.
• Auxiliary Contacts: Equipped with 1 NO and 1 NC auxiliary contact for enhanced control and signaling capabilities.
• Spring-Loaded Terminal: Offers fast, secure, and vibration-resistant wiring connections, reducing installation time and maintenance.
• Compact Design: Frame size S0 and an upright mounting position save valuable space in industrial control panels.
• Durable Construction: Built for traction applications, ensuring reliability in challenging environments.

Benefit

• Enhanced Reliability: The solid-state mechanism and integrated varistor reduce wear and tear, leading to a longer service life and fewer maintenance interruptions.
• Simplified Installation: Spring-loaded terminals eliminate the need for specialized tools and provide a reliable connection that is resistant to vibrations.
• Space-Saving: The compact S0 frame size is ideal for applications where cabinet space is at a premium.
• Flexible Integration: The 1 NO + 1 NC auxiliary contacts make it easy to integrate the contactor into complex control circuits and systems.
• Optimized Performance: Designed specifically for traction applications, ensuring it meets the rigorous demands of such environments.

Function

The Siemens 3RT2026-2XB40-1LA2 contactor is primarily used for switching electric motors and other loads in a variety of industrial and traction applications. Its core functions include:

• Motor Control: Starting and stopping electric motors safely and efficiently.
• Load Switching: Controlling power to various resistive, inductive, and capacitive loads.
• System Integration: Providing feedback on its status (open/closed) via its auxiliary contacts to a PLC or control system.
• Circuit Protection: The integrated varistor protects the control circuit from harmful voltage surges.

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