Overview
The Siemens 3RT2047-1SP30 is a robust and efficient power contactor designed for demanding industrial environments. With a rated current of 110 A and a maximum power rating of 55 kW at 400 V, this 3-pole contactor ensures reliable switching for motors, lighting systems, and other high-load AC applications. Its integrated varistor provides additional protection against voltage spikes, extending the life of both the contactor and connected equipment.
Key Benefit
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High Load Capacity: Supports up to 110 A and 55 kW / 400 V for demanding applications.
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Integrated Protection: Built-in varistor safeguards against transient overvoltages.
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Flexible Control: Operates with 175-280 V AC/DC at 50/60 Hz for versatile integration.
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Auxiliary Contact: 1 NC auxiliary contact enables easy control and signaling.
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Durable Construction: Screw terminals and S3 size ensure reliable installation and long service life.
Function & Application
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Switching of AC-3 and AC-3e motor loads
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Protection against voltage spikes with integrated varistor
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Industrial automation and control circuits
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Integration with PLC systems (F-PLC-IN compatibility)
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Suitable for factories, machinery, and HVAC systems
Technical Specification
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Product Number: 3RT2047-1SP30
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Type: Power Contactor
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Poles: 3
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Rated Current (AC-3): 110 A
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Rated Power: 55 kW / 400 V
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Control Voltage: 175-280 V AC/DC, 50/60 Hz
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Auxiliary Contacts: 1 NC
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Terminal Type: Screw terminal
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Size: S3
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Integrated Protection: Varistor
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Compatibility: F-PLC-IN
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