Overview
The Siemens 3RT2448-1AK60 is a high-performance AC contactor designed for industrial and commercial applications requiring reliable switching of electrical loads. With a 160 A capacity and 3-pole design, this contactor ensures efficient handling of currents up to 690 V at 40 °C. It is equipped with versatile auxiliary contacts (1 NO + 1 NC) for expanded control options, and the robust box and screw terminals make installation straightforward and secure. Its S3 size ensures compatibility with standard Siemens control systems, delivering both reliability and flexibility.
Key Benefit
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High Load Capacity: Handles up to 160 A, suitable for demanding industrial circuits.
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Wide Voltage Compatibility: Supports 110 V AC (50 Hz) and 120 V AC (60 Hz) control voltages.
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Flexible Auxiliary Contacts: 1 NO + 1 NC for versatile control circuit configurations.
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Durable Construction: Box terminal for main circuit, screw terminal for control and auxiliary circuits.
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Reliable Performance: Designed to withstand high operational demands and temperature up to 40 °C.
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Easy Installation: Standardized S3 size simplifies integration into existing systems.
Functionality
This Siemens contactor operates in AC-1 load applications, controlling resistive and slightly inductive loads. Its main and auxiliary circuits allow seamless switching and control integration, ideal for motor starters, industrial machinery, and automation systems. The contactor’s robust construction ensures longevity and stable operation under continuous or intermittent loads.
Technical Specification
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Model: Siemens 3RT2448-1AK60
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Type: AC-1 Contactor
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Current Rating: 160 A
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Voltage Rating: 690 V / 40 °C
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Poles: 3
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Control Voltage: 110 V AC (50 Hz) / 120 V AC (60 Hz)
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Auxiliary Contacts: 1 NO + 1 NC
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Main Circuit Connection: Box terminal
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Control & Auxiliary Circuit Connection: Screw terminal
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Size: S3
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