Siemens 3RT1055-6NF36 SIRIUS Power Contactor AC-3e/AC-3, 150 A, 75 kW, 96-127 V Control, 3-Pole Original Brand New

Overview: Siemens 3RT1055-6NF36 SIRIUS Power Contactor

The Siemens 3RT1055-6NF36 is a high-performance power contactor from the trusted SIRIUS series, engineered for reliable and efficient switching of motors and electrical loads. This robust 3-pole contactor is designed to handle demanding industrial applications, offering exceptional performance with an AC-3e/AC-3 rating of 150 A and a power rating of 75 kW at 400 V.

Its versatile electronic drive operates on a wide control voltage range of 96-127 V AC/DC, providing flexibility for various power systems. A unique feature of this model is the integrated 24 V DC PLC input, which simplifies integration into modern automation and control systems. The main circuit is equipped with busbar connections for secure and high-current power distribution, while the control and auxiliary circuits use reliable screw terminals for easy wiring.

With two normally open (2 NO) and two normally closed (2 NC) auxiliary contacts, this contactor provides extensive signaling and interlocking capabilities, making it an ideal choice for complex control schemes. The Siemens 3RT1055-6NF36 embodies the quality, durability, and innovation that are hallmarks of the SIRIUS family, ensuring long-term operational excellence in your machinery.

Key Benefit & Features

• High Switching Capacity: Rated at 150 A for AC-3e/AC-3 applications and 75 kW at 400 V, making it suitable for high-power motor switching.
• Wide Control Voltage Range: The electronic drive supports a flexible control voltage of 96-127 V AC/DC, minimizing the need for multiple contactor types.
• Seamless PLC Integration: Built-in 24 V DC PLC input simplifies direct control from programmable logic controllers, streamlining automation processes.
• Robust Connection Options: Features busbar connections for the main circuit to ensure a stable, high-current flow and screw terminals for the control and auxiliary circuits for secure, simple wiring.
• Versatile Auxiliary Contacts: Includes 2 NO + 2 NC auxiliary contacts for diverse signaling, interlocking, and status feedback applications.
• Durable and Reliable: Part of the Siemens SIRIUS series, known for its longevity, high-quality components, and dependable performance in harsh industrial environments.
• Compact Design: Despite its high power rating, the contactor maintains a compact form factor for space-efficient panel mounting.

Function & Application

The Siemens 3RT1055-6NF36 power contactor is primarily used for the safe and efficient switching of:

• AC Motors: Controlling the on/off state of induction motors in a wide range of machinery.
• Resistive Loads: Switching heating elements, lighting systems, and other resistive loads.
• Distribution Systems: Acting as a main contactor in power distribution and control panels.
• Automation Systems: Used in conjunction with PLCs and other control devices to automate industrial processes, conveyor systems, pumps, and fans.

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