Overview
The Siemens 3RT2018-2AV02 SIRIUS 3RT2 Power Contactor is a highly efficient and compact device designed for switching electric motors and other resistive loads in industrial control systems. As part of the modular SIRIUS system, this contactor offers proven performance, high contact reliability, and reduced wiring complexity thanks to its modern spring-loaded terminals. The size S00 contactor is optimized for applications requiring up to 16 A and a motor power of 7.5 kW at 400 V (AC-3e/AC-3).
Key Technical Specification
- Product Number: 3RT2018-2AV02
- Brand/Series: Siemens SIRIUS 3RT2
- Contactor Size: S00
- Rated Operational Current (AC-3e/AC-3): 16 A (at 400 V)
- Rated Operational Power (AC-3e/AC-3): 7.5 kW (at 400 V)
- Poles: 3-pole main circuit
- Control Supply Voltage (Coil Voltage): 400 V AC, 50/60 Hz
- Auxiliary Contacts: 1 Normally Closed (NC) integrated auxiliary contact
- Terminal Type (Main & Auxiliary Circuit): Spring-loaded terminal (fast, vibration-proof, maintenance-free connection)
Benefits & Advantages
- High Reliability & Durability: Engineered by Siemens, the SIRIUS 3RT2 series ensures long mechanical and electrical service life with superior contact reliability.
- Space-Saving Design (Size S00): The compact dimensions of the Size S00 allow for optimal utilization of space within control cabinets, simplifying installation and reducing panel size.
- Fast & Secure Wiring: The spring-loaded terminals (also known as push-in terminals) provide a quick, simple, and vibration-proof connection, drastically reducing wiring time and maintenance compared to traditional screw terminals.
- Global Compliance: Approved for worldwide use (e.g., IEC and UL/CSA) and compliant with the latest standards (AC-3e/AC-3), making it suitable for international machine building and plant engineering.
- IE3/IE4 Motor Ready: Perfectly suited for switching high-efficiency IE3 and IE4 motors, supporting modern energy-saving standards.
- Modular System Integration: Seamlessly integrates with the wider SIRIUS modular system, allowing for easy expansion and combination with overload relays, auxiliary switch blocks, and function modules.
Application
The Siemens 3RT2018-2AV02 is an essential component in:
- Motor control centers (MCCs)
- Pump and fan control systems
- Conveyor systems
- Machine tools and processing machinery
- Heating, ventilation, and air conditioning (HVAC) systems
- General industrial automation and distribution panels
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