Siemens 3RT1076-2AS36 Power Contactor, 500A, 250kW, 500-550V AC/DC, SIRIUS S12 Original Brand New

Overview: Siemens 3RT1076-2AS36 SIRIUS Power Contactor

The Siemens 3RT1076-2AS36 power contactor from the robust SIRIUS 3RT1 series is an essential component for high-power switching applications, particularly in motor control systems up to 250 kW at 400 V. Designed for reliable operation under AC-3e/AC-3 duty cycles, this 3-pole contactor is rated for 500 A operational current.

The unit features a highly versatile conventional drive for the control circuit, operating on a wide voltage range of 500-550 V AC (50-60 Hz) / DC, simplifying inventory and installation. The main circuit utilizes busbar connections for secure, high-current power distribution, while the control and auxiliary circuits use efficient spring-loaded terminals for fast, vibration-proof, and maintenance-free wiring. Pre-installed with 2 NO + 2 NC auxiliary contacts, the 3RT1076-2AS36 is ready for complex control logic.

Key Benefit

• High Performance: Safely switches motors up to 250 kW (400 V) with a 500 A operational current rating.
• Flexible Control: Conventional drive coil accepts a wide voltage range of 500-550V AC/DC, enhancing system compatibility.
• Fast, Reliable Wiring: Spring-loaded terminal technology for the control and auxiliary circuits ensures quick, secure, and vibration-resistant connections, significantly reducing installation and maintenance time.
• Integrated Connectivity: Standard 2 Normally Open (NO) + 2 Normally Closed (NC) auxiliary contacts simplify connection to PLC and control systems.
• Robust Design: Part of the modular Siemens SIRIUS system (Size S12), designed for long mechanical and electrical service life in harsh industrial environments.

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