Overview
The Siemens 3RT2027-2AG24 is a robust and compact 3-pole power contactor from the globally recognized SIRIUS 3RT2 series, engineered for high-performance motor switching (AC-3e/AC-3) up to 32 A (for 400V motor applications up to 15 kW). This specific model features a control supply voltage of 110 V AC (50/60 Hz), utilizes modern spring-loaded terminals for fast, reliable, and vibration-proof wiring, and comes in the standardized Size S0.
Its integrated configuration includes a generous 2 NO + 2 NC auxiliary contact block, which is also removable, adding flexibility for complex control applications. As part of the SIRIUS modular system, the 3RT2027-2AG24 offers exceptional reliability, long service life, and seamless integration with other SIRIUS components like overload relays and circuit breakers.
Function and Application
The primary function of the Siemens 3RT2027-2AG24 contactor is the remote switching of 3-phase asynchronous motors and resistive loads. It is perfectly suited for use in:
- Industrial control panels and switchgear assemblies.
- Motor control circuits for pumps, fans, compressors, and conveyors.
- General power switching in automation and machinery.
- Integrated solutions within the Siemens SIRIUS modular system.
Benefit
- Optimal SEO: Incorporates high-volume keywords like “Siemens contactor,” “3RT2027-2AG24,” and “power contactor.”
- Space-Saving Design: The compact Size S0 offers high switching capacity in a small footprint, ideal for crowded control cabinets.
- Quick & Reliable Wiring: Spring-loaded terminals ensure a fast, easy, and maintenance-free connection, highly resistant to vibration.
- Enhanced Control Flexibility: The built-in, removable 2 NO + 2 NC auxiliary contact configuration provides ample signaling and interlocking options without needing external add-on blocks.
- Global Standard Compliance: Tested and approved for worldwide use (e.g., IEC, UL/CSA), making it suitable for export-oriented machinery.
- Future-Ready Performance: Certified as IE3/IE4 ready, meeting modern efficiency standards for motor control.
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