Overview
The Siemens 3RT1055-6AD36 is a high-performance power contactor designed for reliable switching and control of electric motors and other industrial loads. As part of the SIRIUS 3RT series, this contactor offers a compact design, exceptional durability, and robust performance in demanding applications.Its versatility is highlighted by its AC-3e/AC-3 rating, suitable for a wide range of operational requirements.
With a high current capacity of 150 A and a power rating of 75 kW at 400 V, it is an ideal choice for heavy-duty industrial environments. The contactor features a conventional drive and a flexible control voltage range of 42-48V AC/DC, making it adaptable to various control systems. Its main circuit connection via a busbar and control/auxiliary circuit connection via screw terminals ensures easy and secure installation.
Key Benefit
- Reliable Performance: Engineered for durability and high operational reliability, ensuring long-term service life.
- Versatile Application: Suitable for a wide range of motor and load switching applications in industrial automation, machinery, and control systems.
- High Power Handling: Capable of handling high currents (150 A) and power (75 kW), making it suitable for demanding applications.
- Flexible Control: The 42-48V AC/DC control voltage range offers compatibility with various power supplies and control systems.
- Compact & Space-Saving: Its optimized design allows for efficient use of panel space, simplifying system integration.
- Easy Installation: The combination of busbar and screw terminals simplifies wiring and maintenance, reducing installation time.
- Enhanced Safety: Equipped with 2 NO + 2 NC auxiliary contacts, providing additional flexibility for monitoring and interlocking circuits.
Function
- Motor Control: Serves as a primary component for the reliable on/off switching of three-phase motors.
- Load Switching: Used to switch and control various industrial loads, including heating elements, lighting systems, and transformers.
- Circuit Protection: When combined with an overload relay or circuit breaker, it forms a complete motor starter for protection against overcurrents and short circuits.
- Auxiliary Signaling: The integrated auxiliary contacts (2 Normally Open + 2 Normally Closed) provide feedback signals for monitoring circuit status in a control system.
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