Overview
The Siemens 3RT2027-2BM40 Power Contactor is part of the renowned Siemens Sirius series, engineered for superior reliability and performance in industrial control systems. Designed for AC-3e/AC-3 applications, this 3-pole contactor efficiently controls electric motors up to 15 kW (400V), making it ideal for automation, machinery, and power distribution systems.
Built with a spring-loaded terminal connection, it ensures fast, vibration-proof wiring and long-lasting electrical performance. Siemens’ advanced engineering guarantees safe operation, compact design, and easy integration into control panels.
Benefit
- High Performance: Supports AC-3e/AC-3 motor switching up to 32A, ensuring efficient control in demanding applications.
- Reliable & Durable: Siemens quality engineering provides long electrical and mechanical life.
- Quick Installation: Spring terminals enable easy, tool-less wiring and vibration resistance.
- Compact Design: Space-saving S0 size ideal for modern control panels.
- Versatile Use: Perfect for motor control centers, conveyors, pumps, HVAC systems, and automation lines.
Functionality
The Siemens 3RT2027-2BM40 operates as a 3-pole power contactor for controlling motors and electrical loads in industrial and commercial applications. It switches electrical circuits on/off under load and interfaces easily with automation systems using a 220V DC coil. Auxiliary contacts (1 NO + 1 NC) provide additional feedback or control functions.
Application
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Motor control and protection systems
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Conveyor systems and industrial machinery
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HVAC and ventilation units
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Power distribution and automation panels
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Pumps, compressors, and drives
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