Overview
The Siemens 3RT2027-2AN20 is a high-performance SIRIUS 3R power contactor designed for reliable and efficient switching of motors and other industrial loads. This robust 3-pole contactor is rated for AC-3e/AC-3 operation at up to 32 A and 15 kW at 400 V, making it ideal for a wide range of industrial applications.
Its compact Size S0 design saves valuable panel space, while the innovative spring-loaded terminals ensure fast, secure, and vibration-proof connections. Equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, this contactor offers flexibility for control and signaling circuits. The 220 V AC control voltage is suitable for standard industrial power systems.
Key Benefit
- High Performance: Capable of handling significant loads up to 32 A and 15 kW, ensuring reliable motor control.
- Space-Saving Design: The compact S0 size is perfect for installations where panel space is at a premium.
- Fast and Secure Connection: Spring-loaded terminals eliminate the need for tools, reducing wiring time and providing a reliable, maintenance-free connection even in high-vibration environments.
- Versatile Auxiliary Contacts: The integrated 1 NO + 1 NC auxiliary contacts provide essential feedback and control options for complex systems.
- Durable and Reliable: As part of the Siemens SIRIUS 3R series, this contactor is built with high-quality materials to ensure a long service life and consistent performance.
- Globally Recognized Quality: Siemens is a leader in industrial automation, and this product adheres to rigorous international standards (IEC 60947-4-1, etc.).
Technical Specification
- Product Type: Power Contactor
- Model Number: 3RT2027-2AN20
- Series: SIRIUS 3R
- Operational Current (Ie): 32 A (at AC-3e/AC-3, 400 V)
- Operational Power (Pe): 15 kW (at AC-3e/AC-3, 400 V)
- Number of Poles: 3-pole
- Control Supply Voltage: 220 V AC, 50/60 Hz
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Terminal Type: Spring-loaded terminals
- Size: S0
- Mounting: Standard DIN rail or screw mounting
- Operating Temperature: -25 to +60 °C
- Standards: IEC 60947-4-1, UL, CSA, CCC
Application
The Siemens 3RT2027-2AN20 power contactor is an essential component in:
- Motor control circuits
- HVAC systems
- Pump and fan control
- Industrial machinery
- Building automation
- General power switching applications
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