Overview
The Siemens 3RT2045-1AB00-1AA0 is a high-performance power contactor designed for industrial applications requiring reliable switching of motors and other electrical loads. With a current rating of 80 A and a power rating of 37 kW at 400 V, this 3-pole contactor is perfect for AC-3/AC-3e applications. Its compact S3 size, screw terminals, and upright mounting position make installation quick and efficient, while the integrated auxiliary contacts (1 NO + 1 NC) allow for seamless control and automation integration.
Key Benefit
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High Reliability: Engineered for long service life in demanding industrial environments.
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Efficient Power Handling: 80 A, 37 kW rating ensures smooth operation of motors and heavy electrical loads.
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Versatile Installation: S3 size with upright mounting position and screw terminals simplifies setup.
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Enhanced Control: 1 NO + 1 NC auxiliary contacts for flexible automation and signaling.
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Global Compatibility: Operates at 24 V AC, 50 Hz, suitable for international standards.
Function
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Switching and controlling AC motors and other heavy electrical devices.
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Integration with industrial automation systems via auxiliary contacts.
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Reliable performance under AC-3 and AC-3e load conditions.
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Provides secure, maintenance-friendly connections through screw terminals.
Installation & Compliance
This Siemens power contactor meets the stringent requirements of both AC-3 and the new, efficiency-focused AC-3e standards. Its robust design is optimized for a long mechanical and electrical service life, making it a cost-effective solution for demanding applications in machine building and industrial automation.
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