Siemens 3RT2046-3AK60 SIRIUS Power Contactor 95A, 45kW, Size S3, 110V/120V AC Coil Original Brand New

Overview

The Siemens 3RT2046-3AK60 is a high-performance SIRIUS power contactor designed for reliable switching of electric motors and other resistive loads. As part of the Siemens S3 size family, this 3-pole contactor is built for demanding industrial applications. It features a robust design with a 95 A current rating for AC-3e/AC-3 applications, handling up to 45 kW at 400 V. The dual-frequency 110 V AC (50 Hz) and 120 V AC (60 Hz) control coil provides flexibility for global use. The combination of screw terminals for the main circuit and innovative spring-loaded terminals for the control and auxiliary circuits ensures fast, secure, and vibration-resistant wiring.

Key Benefit

• High Performance: Capable of handling significant loads with a 95 A rating and up to 45 kW, making it suitable for a wide range of motor control applications.
• Reliable and Durable: Part of the trusted Siemens SIRIUS family, known for its long service life and exceptional reliability in harsh industrial environments.
• Efficient and Secure Wiring: The combination of screw terminals for the main circuit and spring-loaded terminals for the control circuit offers a secure, vibration-proof connection, reducing maintenance needs and installation time.
• Versatile Auxiliary Contacts: Includes one normally open (1 NO) and one normally closed (1 NC) auxiliary contact, allowing for flexible integration into control circuits for signaling and interlocking functions.
• Global Compatibility: The 110 V AC (50 Hz) and 120 V AC (60 Hz) control coil allows for use in various power systems worldwide.

Technical Specification

• Product Type: Power Contactor
• Product Family: SIRIUS 3RT2
• Product Number: 3RT2046-3AK60
• Rated Current (AC-3e/AC-3): 95 A
• Rated Power (AC-3e/AC-3): 45 kW at 400 V
• Poles: 3-pole
• Control Coil Voltage: 110 V AC (50 Hz) / 120 V AC (60 Hz)
• Auxiliary Contacts: 1 NO + 1 NC
• Main Circuit Connection: Screw Terminal
• Control/Auxiliary Circuit Connection: Spring-Loaded Terminal
• Size: S3
• Mounting: Standard rail or screw mounting
• Ambient Temperature: -25 to +60 °C

Function

The Siemens 3RT2046-3AK60 power contactor serves as a crucial component for switching electrical loads in industrial automation and control systems. Its primary function is to safely and efficiently make or break connections to high-power devices such as:

• Motors: Controlling the start, stop, and direction of electric motors in pumps, fans, conveyors, and machine tools.
• Resistive Loads: Switching heating elements, lighting systems, and other high-current loads.
• Automation Systems: Acting as an interface between control circuits (e.g., PLCs) and power circuits.

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