Siemens SIRIUS 3RT2017-1AR62 Power Contactor, 3-Pole, 12A, 5.5kW, 400V AC Coil, Size S00 Original Brand New

Overview

The Siemens SIRIUS 3RT2017-1AR62 is a compact, high-performance 3-pole power contactor designed for reliable switching of motors and other industrial loads. As part of the globally approved SIRIUS modular system, this size S00 contactor ensures maximum operational reliability and easy integration into load feeders. Its robust design and high contact reliability make it an excellent choice for a wide range of AC-3 and the new energy-efficient AC-3e applications up to 5.5 kW at 400 V.

Benefit

• Optimized Performance: Meets both standard AC-3 and the latest high-efficiency AC-3e motor switching requirements.
• Space-Saving Design: Compact Size S00 form factor allows for high-density panel mounting.
• Global Standard: SIRIUS 3RT2 series is globally approved (e.g., IEC, UL/CSA), simplifying international machine design.
• High Reliability: Engineered for prolonged electrical and mechanical service life, even under extreme ambient conditions.
• Easy Wiring: Features secure and time-tested screw terminal connections for the main and control circuits.
• Integrated Monitoring: Comes with an integrated 1 NC auxiliary contact for feedback and control circuit integration.

Function

The Siemens 3RT2017-1AR62 is an electromechanical switching device used to control an electric power circuit. When the 400V AC control coil is energized, the contactor closes the main circuit to supply power to a load (typically a three-phase motor). The integrated Normally Closed (NC) auxiliary contact changes state upon actuation, providing a feedback signal to the control system or interlocking other circuits for safety. It is specifically rated for AC-3e/AC-3 applications, meaning it is optimized for switching squirrel-cage motors during operation, where breaking occurs while the motor is running.

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