Overview
The Siemens 3RT2028-1BE40 is a high-performance SIRIUS series power contactor designed for reliable and efficient switching of three-phase loads. This compact and robust Size S0 contactor is engineered for industrial applications, offering exceptional performance and a long service life.
Its versatile design, featuring a 60V DC coil and integrated auxiliary contacts, makes it an ideal solution for a wide range of motor control and power distribution tasks. The screw terminal connections ensure a secure and straightforward installation process.
Key Benefit
- Reliable Performance: Rated for AC-3e/AC-3 operation at 38 A and 18.5 kW at 400 V, this contactor provides dependable switching for demanding loads.
- Space-Saving Design: The compact Size S0 form factor allows for efficient use of panel space, reducing the overall size and cost of control cabinets.
- Enhanced Safety: Equipped with a 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact, it provides essential feedback and interlock functionality for safety circuits.
- Versatile Power Supply: The 60V DC coil is suitable for various industrial control systems, offering flexibility in application.
- Easy Installation: The use of screw terminals simplifies wiring and ensures a secure, vibration-resistant connection.
- Durability and Longevity: As part of the Siemens SIRIUS family, it is built with high-quality materials and rigorous engineering to withstand harsh industrial environments.
Technical Specification
- Product Type: Power Contactor
- Model Number: 3RT2028-1BE40
- Manufacturer: Siemens
- Product Series: SIRIUS 3RT2
- Contactor Size: S0
- Operational Current (AC-3e/AC-3): 38 A
- Operational Power (AC-3e/AC-3): 18.5 kW at 400 V
- Number of Poles: 3-pole
- Coil Voltage: 60 V DC
- Auxiliary Contacts: 1 NO + 1 NC
- Connection Type: Screw Terminal
- Mounting: Snap-on to DIN rail or screw mounting
- Standards: IEC, UL, CSA, CCC, etc.
Application
- Motor control and starting
- Switching of resistive and inductive loads
- Power distribution circuits
- HVAC systems
- Pump and fan control
- Automation and industrial machinery
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