Overview: Siemens SIRIUS 3RT2016-2BB41-1AA0 Power Contactor
The Siemens 3RT2016-2BB41-1AA0 is a high-performance 3-pole power contactor from the trusted SIRIUS 3RT2 family, specifically engineered for switching motors. This compact, size S00 contactor is designed for demanding industrial applications, offering exceptional reliability and a long mechanical service life of up to 30 million operating cycles. It is rated for 9 A (AC-3e/AC-3) for motor switching, with a corresponding power rating of 4 kW at 400 V.
A key feature of this model is its efficient 24 V DC coil, which provides reliable control with lower power consumption. It includes one integrated Normally Open (1 NO) auxiliary contact and utilizes convenient, time-saving spring-loaded terminals for secure and vibration-proof wiring.
Key Benefit
- High Efficiency (AC-3e/AC-3): Meets the new IEC standard for use with modern, energy-efficient IE3/IE4 motors.
- Space-Saving Design: Its compact Size S00 form factor and suitability for side-by-side mounting maximize space efficiency in control cabinets.
- Fast, Reliable Wiring: Features secure and maintenance-free spring-loaded terminals for quick installation and high connection reliability.
- Long Service Life: Offers an extremely long mechanical service life (up to 30 million operating cycles typical), ensuring maximum operational availability.
- Global Standard Compliance: Part of the SIRIUS system, ensuring compliance with international standards and worldwide applicability.
- Low Power Loss: Engineered for low power dissipation, which reduces heat generation in the control cabinet.
Function & Application
The 3RT2016-2BB41-1AA0 is a robust power contactor used for remotely switching electrical loads.
- Function: It is primarily used for switching 3-phase AC motors (up to 4 kW / 9 A) and other resistive loads. The integrated 1 NO auxiliary contact is perfect for control circuit feedback (e.g., indicating the motor is running) or interlocking logic.
- Applications: Ideal for use in motor starters (Direct-on-Line, Reversing), heating systems, lighting control, and automation panels in machinery, conveyors, HVAC, and industrial processes requiring reliable motor switching and control.
To explore our full selection of Siemens SIRIUS industrial control products and more, visit our entire product catalog at Turll.













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