Siemens SIRIUS 3RT2035-3AV00 Power Contactor, 3-Pole, 41A, 18.5kW, 400V AC Coil, Size S2, Screw/Spring Terminal Original Brand New

Product Overview 

The Siemens SIRIUS 3RT2035-3AV00 Power Contactor is a high-reliability, 3-pole switching device engineered for controlling motors and other electrical loads in industrial automation systems. Part of the renowned SIRIUS modular system, this size S2 contactor is designed for demanding applications, rated for an operational current of 41 A and a motor power of 18.5 kW at $400\text{ V}$ (AC-3e/AC-3). It features a $400\text{ V AC}$, $50\text{ Hz}$ coil and includes one Normally Open ($\text{1 NO}$) and one Normally Closed ($\text{1 NC}$) integrated auxiliary contact for signaling and control circuit interlocking.

Key Features & Benefit

• High Performance: Robust switching capacity with $41\text{ A}$ operational current and $18.5\text{ kW}$ power rating at $400\text{ V}$.
• SIRIUS Modular System: Ensures perfect coordination and simple integration with other SIRIUS components like motor protection circuit breakers and overload relays.
• Dual Connection Technology: Offers maximum flexibility and reliability. The main circuit uses secure screw terminals, while the control and auxiliary circuit features fast, vibration-proof spring-loaded terminals for quick, maintenance-free wiring.
• Compact & Space-Saving: Designed as size S2, providing a high power density in a small footprint for efficient panel design.
• Integrated Auxiliary Contacts: Comes standard with $1\text{ NO}+1\text{ NC}$ auxiliary contacts, reducing the need for additional contact blocks and simplifying control circuit design.
• Worldwide Usability: Climate-resistant and approved for global use (e.g., IEC and UL/CSA standards), making it IE3/IE4-ready for energy-efficient motor applications.

Application

The 3RT2035-3AV00 is the ideal solution for reliably switching 3-phase AC motors and resistive loads in applications such as:

• Motor starters (direct or reversing)
• Pump and fan control
• Conveyor systems
• Heating and lighting circuits
• General industrial machine control

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