Siemens SIRIUS 3RT1076-2NF36 Power Contactor, AC-3e/AC-3, 500 A, 250 kW Original Brand New

Overview

The Siemens 3RT1076-2NF36 is a high-performance, 3-pole power contactor from the SIRIUS series, engineered for demanding industrial applications. It’s designed to switch high-current loads with exceptional reliability, making it ideal for motor control in heavy-duty machinery. This model features an electronic drive for precise operation and is equipped with 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts for flexible integration into control circuits. The main circuit uses a convenient busbar connection, while the control and auxiliary circuits utilize spring-loaded terminals for quick and secure wiring.

Key Benefit

• Exceptional Durability and Reliability: Built to withstand harsh industrial environments and frequent switching cycles, ensuring a long operational lifespan.
• High Switching Capacity: Rated for 500 A and 250 kW at 400 V, it’s capable of handling significant power loads.
• Flexible Control Options: The electronic drive supports a wide control voltage range of 96-127 V AC/DC, with a 24 V DC PLC input, allowing for seamless integration into modern automation systems.
• Simplified Installation: The busbar main circuit connection and spring-loaded terminals on the control and auxiliary circuits reduce wiring time and improve connection reliability.
• Safety and Performance: Adherence to AC-3e/AC-3 standards ensures optimal performance and safety for switching motor loads.

Technical Specifications & Function

• Product Number: 3RT1076-2NF36
• Contactor Type: Power Contactor, 3-pole
• Standards: AC-3e/AC-3 (Motor Switching)
• Rated Current: 500 A
• Rated Power: 250 kW (at 400 V)
• Control Voltage (Uc): 96-127 V AC (50-60 Hz) / DC
• PLC Input: 24 V DC
• Drive: Electronic
• Auxiliary Contacts: 2 NO + 2 NC
• Main Circuit Connection: Busbar
• Control & Auxiliary Circuit Connection: Spring-loaded terminals

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