Overview
The Siemens 3RT2023-1AU00 is a robust and reliable power contactor designed for industrial and commercial electrical systems. Engineered for AC-3 operations, it handles loads up to 4 kW at 400V with a current rating of 9A. The 3-pole design ensures stable and efficient switching, while the included 1 NO + 1 NC auxiliary contacts allow for versatile control applications.
This compact S0-sized contactor features secure screw terminals for reliable connections, making it perfect for control panels, automation systems, and heavy-duty electrical circuits. Built with Siemens’ renowned quality, it offers durability, safety, and consistent performance in demanding environments.
Features
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Rated current: 9 A
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AC-3 load capacity: 4 kW / 400V
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3-pole design for balanced switching
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Operating voltage: 240 V AC, 50 Hz
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Auxiliary contacts: 1 NO + 1 NC
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Screw terminal connections
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Compact S0 size for easy panel installation
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High switching reliability and long service life
Benefit
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Ensures efficient power switching for industrial loads
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Reduces electrical downtime with durable construction
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Facilitates versatile control with auxiliary contacts
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Easy and safe installation thanks to screw terminals
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Compact size saves space in control cabinets
Function & Application
The Siemens 3RT2023-1AU00 power contactor is designed for:
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Motor control circuits up to 4 kW / 400 V
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Switching resistive and inductive AC loads
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Automation systems in factories and industrial plants
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Control panels for HVAC, pumps, and machinery
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Integration in complex electrical installations requiring auxiliary signaling
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