Overview
The Siemens 3RT1476-6NB36 is a robust, industrial-grade power contactor designed for high-current AC applications. Its 3-pole AC-1 configuration supports 690 A at 690 V and operates efficiently up to 40 °C. Equipped with a 21–27.3 V AC/DC control and a 24 V DC PLC input, it ensures seamless integration with modern automation systems.
Its innovative design includes electronic auxiliary contacts (2 NO + 2 NC) for flexible control options, while the busbar main circuit and screw terminal auxiliary circuit ensure reliable connectivity and ease of installation. Ideal for industrial machinery, automation, and energy distribution systems, this contactor guarantees operational reliability and longevity.
Benefit
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High Capacity: Supports AC-1 loads up to 690 A / 690 V.
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Flexible Control: Compatible with 21–27.3 V AC/DC and 24 V DC PLC input.
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Enhanced Reliability: Electronic auxiliary contacts (2 NO + 2 NC) provide stable and versatile control options.
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Easy Installation: Busbar main circuit and screw terminal auxiliary circuits allow fast and secure setup.
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Durable Design: Built for long-term industrial use, even under high-temperature conditions (up to 40 °C).
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Automation Ready: Perfect for integration with PLC-driven systems in modern industrial applications.
Function & Application
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Switching and controlling high-power AC circuits
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Integration with PLC-controlled automation systems
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Use in industrial machinery, energy distribution, and heavy electrical equipment
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Auxiliary control for monitoring and signaling circuits
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