Siemens SIRIUS 3RT2 Power Contactor 3RT2037-1AG24, 3-Pole, 65A, 30 kW, 110V AC Coil, Size S2 Original Brand New

Overview: High-Performance Motor Control with SIRIUS 3RT2

The Siemens 3RT2037-1AG24 is a high-performance, 3-pole Power Contactor from the modular SIRIUS 3RT2 series. Specifically designed for efficient switching of motors (AC-3e/AC-3 applications), this device provides a robust and reliable solution for industrial automation and motor control panels. It is perfectly rated for switching currents up to 65 A and motor power up to 30 kW at $400\text{ V}$.

Featuring a versatile 110 V AC control coil ($50/60\text{ Hz}$), the contactor is integrated with a 2 NO + 2 NC auxiliary contact block for comprehensive control circuit feedback and interlocking. The durable screw terminal connections ensure a secure, high-quality, and easy wiring process.

Benefits & Features

• Compact High Performance (Size S2): Offers a high current rating of $65\text{ A}$ in a compact, space-saving design, part of the universally applicable SIRIUS modular system.
• IE3/IE4 Ready: Fully prepared for the latest generation of high-efficiency motors, ensuring future-proof compliance.
• Integrated Auxiliary Contacts: The pre-installed $2\text{ NO}+2\text{ NC}$ auxiliary switch block simplifies wiring and provides immediate integration into safety and control circuits.
• Reliable Control: Controlled by a standard $110\text{ V AC}$ coil, suitable for most industrial control systems.
• Simple, Robust Connection: Secure and easy installation using robust screw terminals for the main and auxiliary circuits.
• Global Approvals: Climate-resistant and approved for worldwide use (e.g., IEC and UL/CSA).

Application

The Siemens 3RT2037-1AG24 contactor is the ideal choice for switching 3-phase AC loads in a variety of industrial environments, including:

• Controlling medium-to-large-sized three-phase AC motors (up to $30\text{ kW}$).
• Switching resistive loads (AC-1) up to $80\text{ A}$.
• Integration into motor starters (Direct-On-Line or Reversing Starters).
• Switching electrical heating circuits and lighting systems.
• General power control applications in machinery and plant engineering.

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