Siemens 3RT2336-3XB40-0LA2 Traction Contactor 60A, 4-Pole, 24V DC, Spring-Loaded Terminal, S2 Original Brand New

Overview 

The Siemens 3RT2336-3XB40-0LA2 is a high-performance traction contactor designed for demanding railway applications. As part of the SIRIUS family, this S2 frame contactor is engineered to meet the stringent requirements of IEC 60947-4-1, IEC 60077-2, and EN 50155 standards, ensuring reliability and safety in rail environments. It is specifically designed for low or non-inductive loads (AC-1) up to 60 A at 400 V. The integrated solid-state operating mechanism with a wide operating range and an integrated varistor for surge protection makes it a robust solution for a variety of industrial and railway applications.

Key Benefit

• Railway Approved: Certified to IEC 60077-2 and EN 50155, making it ideal for railway applications with increased resistance to mechanical oscillations and vibrations.
• Enhanced Reliability: The solid-state operating mechanism provides an extended operating range from 0.7 to 1.25 x Us and reliable performance in a wide temperature range of -40 to +70 °C.
• Vibration Resistance: Spring-loaded terminals for the control and auxiliary circuits ensure a secure and vibration-resistant connection, crucial for mobile applications.
• Integrated Protection: The built-in varistor provides effective overvoltage protection for the operating coil, simplifying installation and enhancing durability.
• Versatile Connectivity: Features screw terminals for the main circuit and spring-loaded terminals for the control and auxiliary circuits, offering flexibility and ease of installation.

Application 

The Siemens 3RT2336-3XB40-0LA2 is engineered for applications where reliability under harsh conditions is paramount. Its primary use includes:

• Railway and Transportation: Perfect for railway rolling stock due to its extended operating range, vibration resistance, and compliance with railway standards.
• Industrial Automation: Suitable for controlling low or non-inductive loads in factories and industrial plants, especially in environments with temperature extremes or vibrations.
• Switching Applications: Ideal for switching heating elements, lighting systems, and other non-motor loads.

Protection and Safety

The contactor is designed with integrated protection features. It is equipped with a varistor for overvoltage suppression. Users should ensure all connections are protected against short-circuits and overloads using appropriate measures, such as circuit breakers or fuses, in accordance with relevant standards.

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