Siemens SIRIUS 3RT1065-2AB36 Power Contactor, 265A, 132kW, 23-26V AC/DC Coil, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RT1065-2AB36 is a robust, high-performance SIRIUS 3RT1 power contactor designed for reliably switching three-phase motors up to 132 kW (at 400 V AC-3). This 3-pole contactor (Size S10) is engineered for heavy-duty industrial applications, offering exceptional performance in a compact design. It features a versatile 23-26V UC (AC/DC) control voltage and an integrated 2 NO + 2 NC auxiliary switch block for seamless integration into complex control circuits. Its main circuit uses secure busbar connections, while the control and auxiliary circuits utilize spring-loaded terminals for fast, reliable, and vibration-proof wiring.

Benefit

• High Reliability & Longevity: Built on the established SIRIUS modular system, ensuring high contact reliability and a long mechanical service life (typically 10 million operating cycles).
• Space-Saving Design: The compact dimensions of the Size S10 frame help maximize panel packing efficiency.
• Fast, Maintenance-Free Wiring: The spring-loaded terminals on the control and auxiliary circuits provide a rapid, secure, and vibration-proof connection, drastically reducing installation time and maintenance needs compared to screw terminals.
• Global Compliance: Climate-resistant and approved for worldwide use (e.g., IEC and UL/CSA), making it suitable for international projects.
• IE3/IE4 Ready: Optimized for use with modern, energy-efficient IE3 and IE4 motors.
• Integrated Monitoring: Comes pre-installed with a 2 NO + 2 NC auxiliary switch block, simplifying design and wiring for signaling and control functions.

Function and Application

Function

The 3RT1065-2AB36 contactor is primarily used for switching high current loads, specifically for starting and stopping three-phase motors. It uses an electromagnetic coil (23-26V UC) to open and close the main power contacts, controlling the flow of power to the motor.

Applications:

• Industrial motor control (e.g., pumps, fans, compressors, conveyors).
• Switching general resistive loads (AC-1 applications).
• Integration into complex load feeders and motor starter assemblies.
• Automated machinery and process control systems requiring robust high-power switching.

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