Siemens 3RT1075-6SF36-3PA0 Power Contactor 400A, 200kW, Screw Terminal, 24V DC Original Brand New

Overview

The Siemens 3RT1075-6SF36-3PA0 is a high-performance 3-pole power contactor designed for demanding industrial applications. Engineered for reliability and efficiency, this contactor is rated for AC-3e/AC-3 operation at 400 A and 200 kW at 400 V. Its versatile control system, featuring a wide voltage range (96-127 V AC/DC) and a dedicated F-PLC input (24 V DC), ensures seamless integration into modern automation systems. The robust electronic drive guarantees precise and reliable switching, while the convenient busbar main circuit and screw terminal control circuit connections simplify installation. With 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, this contactor provides enhanced control and feedback capabilities.

Key Features & Benefit

• High Power Capacity: Rated for 400 A and 200 kW, this contactor is ideal for heavy-duty motor control, switching large loads, and other high-power applications.
• Versatile Control: Operates with a wide range of AC/DC voltages (96-127 V), providing flexibility in various control circuits.
• F-PLC Integration: The dedicated 24 V DC F-PLC input allows for direct and secure connection to safety-related control systems, enhancing operational safety and reliability.
• Electronic Drive: The permanent electronic drive ensures fast, reliable, and consistent switching, reducing maintenance needs and extending the product’s lifespan.
• Simplified Installation: The busbar main circuit connection enables quick and secure integration into power distribution systems, while the screw terminals for control and auxiliary circuits provide a familiar and reliable connection method.
• Integrated Auxiliary Contacts: The 2 NO + 2 NC auxiliary contacts are permanently mounted, saving space and simplifying wiring for control and signaling functions.
• Durable Design: Built to Siemens’ high-quality standards, the 3RT1075-6SF36-3PA0 is robust and reliable, ensuring long-term performance in harsh industrial environments.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT1075-6SF36-3PA0
• Rated Current (AC-3e/AC-3): 400 A
• Rated Power (AC-3e/AC-3): 200 kW at 400 V
• Control Voltage: AC/DC 96-127 V (0.8-1.1 range)
• F-PLC Input: 24 V DC
• Number of Poles: 3
• Auxiliary Contacts: 2 NO + 2 NC (permanently mounted)
• Drive: Electronic
• Main Circuit Connection: Busbar
• Control/Auxiliary Circuit Connection: Screw Terminal
• Manufacturer: Siemens

Function

The Siemens 3RT1075-6SF36-3PA0 power contactor is a crucial component in industrial automation, designed to switch high-current loads, such as electric motors, heating elements, and lighting systems. When a control signal is applied to its coil, the electronic drive closes the main contacts, allowing power to flow to the connected load. The F-PLC input allows the contactor to be directly controlled by a fail-safe PLC, which is essential for safety-critical applications. The integrated auxiliary contacts provide a reliable signal indicating the status of the main contacts, enabling interlocking, sequencing, and other control functions within a larger system.

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