Siemens 3RT2036-1AF00 Contactor, S2, 51A, 22kW, 110V AC, SIRIUS Original Brand New

Overview: Siemens SIRIUS 3RT2036-1AF00 Power Contactor

The Siemens 3RT2036-1AF00 is a high-performance, 3-pole power contactor from the modular SIRIUS 3RT2 series, expertly engineered for the reliable switching of motors and other industrial loads. Rated for performance class AC-3e/AC-3, this robust size S2 unit is rated for an operational current of 51 A and a maximum motor power of 22 kW at 400 V.

It features a control supply voltage of 110 V AC at 50 Hz, a standard configuration highly sought after for many industrial control systems. The contactor is equipped with an integrated auxiliary contact block: 1 Normally Open (NO) + 1 Normally Closed (NC), and utilizes secure screw terminals for all electrical connections.

Benefit & Advantages

• High Performance: Optimized for reliable switching of 3-phase AC motors up to 22 kW, ensuring long-term operational stability.
• Modular SIRIUS System: Seamlessly integrates with other components in the Siemens SIRIUS range, such as 3RU2 overload relays, simplifying load feeder assembly and design.
• Built-in Auxiliary Contacts: The included 1 NO + 1 NC auxiliary contacts reduce complexity and need for external wiring/components in control circuits.
• Global Standard: Designed and tested for use worldwide, meeting international standards like IEC, UL, and CSA.
• Robust Connection: Screw terminals provide a reliable, vibration-proof connection for secure operation in demanding industrial environments.

Function & Application

The 3RT2036-1AF00 is a core component in any motor control application. It is primarily used as a main switching element for:

1. Switching/Controlling Motors: Start/stop and continuous operation of 3-phase squirrel-cage motors.
2. Resistive Loads: Switching of electric heating elements and lighting circuits.
3. Industrial Machinery: Integration into control panels, conveyor systems, pumps, fans, and compressors.

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