Overview
The Siemens SIRIUS 3RT25 power contactor is a high-reliability switching device designed for controlling motors and general resistive loads in demanding industrial environments. Identified by the model 3RT2535-1AL20, this unit is engineered for AC-3 operation, capably handling a rated current of 35 A and motor power up to 18.5 kW at 400 V. Its 4-pole configuration (2 Normally Open / 2 Normally Closed main contacts) offers versatile control options for diverse load types. The contactor operates via a standard 230 V AC, 50/60 Hz control supply voltage, making it suitable for global applications.
Key Benefit
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Reliable Performance: Handles demanding AC-3 loads efficiently, ensuring minimal downtime.
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Versatile Application: Suitable for motor control, automation systems, and industrial machinery.
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Durable Design: Built with 2 NO + 2 NC main contacts and 1 NO + 1 NC auxiliary contacts for long-lasting operation.
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Easy Installation: Screw terminal connections make setup quick and secure.
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Energy Efficient: Designed to operate at 230V AC (50/60 Hz), providing consistent energy usage.
Functions & Features
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AC-3 rated contactor suitable for switching motors up to 18.5 kW / 400V.
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4-pole main contactor configuration ensures reliable load handling.
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2 NO + 2 NC main contacts and 1 NO + 1 NC auxiliary contacts for flexible control.
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Screw terminal connection type for secure and easy wiring.
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Size S2 for compatibility with standard industrial control panels.
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