Overview
The Siemens 3RT2028-1AR60 is a high-performance SIRIUS 3RT2 power contactor designed for reliable switching of motors and other electrical loads. This 3-pole contactor is engineered for use in demanding industrial applications, offering exceptional durability and a compact design.
It features a robust screw terminal connection for secure and easy installation. With its impressive specifications and built-in auxiliary contacts, the 3RT2028-1AR60 is an ideal solution for a wide range of control applications.
Key Features & Benefit
- High Performance: Capable of handling up to 38 A and 18.5 kW at 400 V, making it suitable for medium-power motor control.
- Versatile AC-3e/AC-3 Rating: Certified for both AC-3 (standard motor switching) and the more energy-efficient AC-3e, offering flexibility and potential energy savings.
- Integrated Auxiliary Contacts: The built-in 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts simplify wiring and reduce the need for external components, saving space and cost.
- Reliable Screw Terminals: Provides a strong, vibration-resistant connection, ensuring long-term operational stability.
- Compact Size S0: The small footprint of size S0 allows for space-saving installation in control panels and electrical cabinets.
- Global Standard Compatibility: Operates on a wide voltage range of 400 V AC, 50 Hz / 400-440 V, 60 Hz, ensuring its use in various global electrical systems.
- Part of the SIRIUS Family: As a component of the trusted Siemens SIRIUS modular system, it integrates seamlessly with other Siemens control products.
Technical Specification
- Product Number: Siemens 3RT2028-1AR60
- Contactor Type: Power Contactor
- Number of Poles: 3-pole
- Current Rating: 38 A
- Power Rating (AC-3e/AC-3): 18.5 kW at 400 V
- Operating Voltage: 400 V AC, 50 Hz / 400-440 V, 60 Hz
- Auxiliary Contacts: 1 NO + 1 NC
- Connection Type: Screw Terminal
- Size: S0
Application
The Siemens 3RT2028-1AR60 is perfect for:
- Motor control and protection
- Industrial automation
- Heating, ventilation, and air conditioning (HVAC) systems
- Pump and compressor control
- Conveyor systems
- Machine and plant engineering
For more information and to explore our full range of industrial control products, visit our website at Turll.












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