Overview
The Siemens 3RT1066-2AR36 is a high-performance power contactor engineered for demanding industrial applications. This robust device is a critical component for controlling and switching electric motors and other loads up to 300 A.
It features a versatile AC/DC drive, a conventional main circuit with busbar connection for streamlined installation, and reliable spring-loaded terminals for the control and auxiliary circuits. Designed for global use, it meets international standards, including AC-3e/AC-3, ensuring compatibility and safety across various systems.
Key Benefit
- High Performance: Handles large loads with a rated current of 300 A and a power rating of 160 kW at 400 V, making it suitable for heavy-duty industrial machinery.
- Versatile Control: The wide-range AC (50-60 Hz) / DC coil (Uc: 440-480 V) allows for flexible integration into diverse control systems.
- Reliable and Safe: The conventional 3-pole design and robust construction ensure reliable operation and long service life. The addition of 2 NO + 2 NC auxiliary contacts provides essential feedback and interlocking capabilities for enhanced system safety.
- Efficient Installation: The busbar connection for the main circuit simplifies wiring and reduces installation time, while the spring-loaded terminals for the control and auxiliary circuits offer a quick, secure, and vibration-resistant connection.
- Compact Design: Despite its high power rating, this contactor has a space-saving design, allowing for efficient use of panel space.
Technical Specification
- Product Number: 3RT1066-2AR36
- Type: Power Contactor
- Rated Current: 300 A
- Rated Power: 160 kW at 400 V (AC-3e/AC-3)
- Number of Poles: 3-pole
- Operating Voltage (Coil): 440-480 V AC (50-60 Hz) / DC
- Auxiliary Contacts: 2 NO (Normally Open) + 2 NC (Normally Closed)
- Main Circuit Connection: Busbar
- Control & Auxiliary Circuit Connection: Spring-loaded terminal
- Drive: Conventional
Application
- Motor control for large industrial machines
- Switching of resistive and inductive loads
- HVAC systems
- Pumping stations
- Conveyor systems
- Heavy machinery in manufacturing and process industries
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