Overview
The Siemens 3RT2027-1BB40-0CC0 is a high-performance, communication-capable power contactor designed for reliable switching of electric motors and other industrial loads. Part of the SIRIUS 3RT2 series, this robust contactor is engineered for efficiency, durability, and seamless integration into modern automation systems.
It features a compact S0 size, a high-rated current of 32 A, and a switching capacity of 15 kW at 400 V. The 24 V DC control voltage ensures low power consumption and versatile use in various DC control circuits. With its integrated 1 NO + 1 NC auxiliary contacts and secure screw terminals, the 3RT2027-1BB40-0CC0 offers a complete and reliable solution for industrial applications.
Key Benefit
- High Performance: Optimized for AC-3e/AC-3 applications, it handles heavy motor loads with ease, ensuring a long operational life.
- Energy Efficient: The 24 V DC control voltage reduces power consumption compared to traditional AC contactors, leading to lower operating costs.
- Space-Saving Design: The compact S0 size allows for high-density mounting in control cabinets, maximizing available space.
- Enhanced Reliability: Secure screw terminals provide a robust and vibration-resistant connection, minimizing maintenance and downtime.
- Communication-Capable: Ready for integration into communication networks, enabling advanced diagnostics and remote control for smart industrial environments.
- Versatile Auxiliary Contacts: The built-in 1 NO and 1 NC auxiliary contacts simplify wiring for feedback and interlocking circuits, saving the need for separate contact blocks.
Technical Specification
- Product Name: Siemens SIRIUS 3RT2 Power Contactor
- Product Number: 3RT2027-1BB40-0CC0
- Rated Current (AC-3e/AC-3): 32 A
- Rated Power (AC-3e/AC-3): 15 kW / 400 V
- Number of Poles: 3-pole
- Control Voltage: 24 V DC
- Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
- Terminal Type: Screw Terminal
- Size: S0
- Series: SIRIUS 3RT2
- Communication: Communication-capable
Function & Application
The Siemens 3RT2027-1BB40-0CC0 is ideal for a wide range of industrial applications, including:
- Switching and control of electric motors
- Control of heating systems
- Lighting control
- Machine and plant automation
- Integration into automated systems and smart factories
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