Overview
The Siemens 3RT2446-1AN20 contactor is designed for reliable switching and control of AC electrical circuits in industrial and commercial applications. Engineered for durability and efficiency, this 3-pole contactor supports currents up to 140 A and voltages up to 690 V, making it ideal for heavy-duty operations. Its compact S3 size ensures easy installation in control panels, while its high-quality terminals provide secure and dependable connections.
Key Features & Function
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Current & Voltage Ratings: AC-1 contactor, 140 A, 690 V / 40 °C
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Poles & Control Voltage: 3-pole with 220 V AC, 50/60 Hz
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Auxiliary Contacts: 1 NO + 1 NC for flexible control applications
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Terminal Types: Main circuit via box terminal, control and auxiliary via screw terminal
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Durability: Designed for heavy-duty switching and extended service life
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Size: Compact S3 for efficient panel integration
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Industrial Reliability: Trusted Siemens quality for smooth operation in demanding environments
Benefit
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Ensures safe and reliable switching of high-current circuits
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Reduces maintenance due to robust construction
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Facilitates flexible control through auxiliary contacts
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Compact design saves space in control panels
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Compatible with a wide range of industrial applications
Technical Specification
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Model: 3RT2446-1AN20
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Type: Contactor AC-1
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Current Rating: 140 A
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Voltage Rating: 690 V / 40 °C
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Poles: 3-pole
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Control Voltage: 220 V AC, 50/60 Hz
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Auxiliary Contacts: 1 NO + 1 NC
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Main Circuit Terminal: Box terminal
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Control & Auxiliary Circuit Terminal: Screw terminal
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Size: S3
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