Siemens 3RT2017-2AB01 SIRIUS Power Contactor 3-Pole, 12A, 5.5kW, 24V AC, Spring-Loaded Terminal, Size S00 Original Brand New

Overview: Siemens SIRIUS 3RT2017-2AB01 Power Contactor

The Siemens 3RT2017-2AB01 is a high-performance, compact, 3-pole power contactor from the globally recognized SIRIUS 3RT2 series. Specifically designed for switching motors and other resistive loads in industrial automation applications, this device ensures reliability and exceptional operational life.

As a Size S00 contactor, it is part of the modular SIRIUS system, allowing for seamless integration with other Siemens control components like circuit breakers and overload relays. The key feature of this model is its spring-loaded terminal connection, which provides a fast, maintenance-free, and vibration-proof wiring solution, saving installation time and improving system reliability.

Benefit

• Space and Cost Saving (S00 Size): The compact dimensions of the Size S00 form factor allow for high packing density in control cabinets, reducing overall system size and installation costs.
• Quick and Reliable Wiring (Spring-Loaded Terminals): The innovative spring-loaded connection technology ensures a secure, gas-tight connection that is highly resistant to vibration and requires no re-tightening, leading to significantly reduced maintenance.
• High Performance: Rated for $12\text{ A}$ (AC-3) and 5.5 kW (at $400\text{ V}$), this contactor is certified for the demanding duty of switching motors (AC-3e/AC-3).
• Global Standard Compliance: Fully compliant with major international standards like IEC 60947-1 and IEC 60947-4-1, ensuring suitability for worldwide applications.
• Long Operational Life: Features a typical mechanical service life of 30 million switching cycles, guaranteeing longevity and reduced downtime.

Function

The Siemens 3RT2017-2AB01 is an electromechanical switching device used in control systems to remotely turn on and off power to a load, typically a 3-phase motor.

1. Motor Control: It acts as the primary switching element in Direct-On-Line (DOL) and Full-Voltage Non-Reversing (FVNR) starters.
2. Remote Switching: When the 24V AC coil is energized, the magnetic force closes the three main power contacts (3NO), allowing power to flow to the motor.
3. Signaling and Interlock: The integrated 1 NO auxiliary contact is used in the control circuit for feedback, interlocks, or to control other components in the industrial automation system.

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