Siemens 3RT1054-3AR36 SIRIUS Power Contactor, 115A, 55kW, AC/DC 440-480V, Box/Spring Terminal Original Brand New

Overview

The Siemens 3RT1054-3AR36 SIRIUS power contactor is a high-performance and versatile switching device designed for controlling electric motors and other industrial loads. Engineered for reliability and durability, this 3-pole contactor is rated for AC-3e/AC-3 applications up to 115 A, handling a power output of 55 kW at 400 V. Its unique dual AC/DC coil (440-480V) provides flexibility and simplifies inventory management. The integrated auxiliary contacts (2 NO + 2 NC) offer enhanced control and feedback options, making it a cornerstone for complex control circuits.

Key Features & Benefit

• High-Performance Switching: Rated for 115 A (AC-3e/AC-3), this contactor is ideal for demanding applications, ensuring reliable and safe switching of high-power loads.
• Versatile AC/DC Operation: The 440-480V AC/DC conventional drive coil allows for seamless integration into various control systems without the need for separate contactor models, reducing complexity and costs.
• Robust Auxiliary Contacts: Equipped with two normally open (NO) and two normally closed (NC) auxiliary contacts, it provides crucial feedback and interlocking capabilities for safety and automation systems.
• Dual Terminal System: The main circuit utilizes robust box terminals for secure and high-current connections, while the control and auxiliary circuits feature spring-loaded terminals for fast, vibration-proof, and maintenance-free wiring.
• Compact & Space-Saving Design: Part of the SIRIUS family, this contactor offers a compact footprint, optimizing panel space and simplifying installation in tight enclosures.
• Reliability & Longevity: Built with high-quality materials and Siemens’ renowned engineering, the 3RT1054-3AR36 ensures a long operational life and consistent performance in harsh industrial environments.

Function

The Siemens 3RT1054-3AR36 functions as an electrically operated switch for a power circuit. It is primarily used for:

• Motor Control: Starting and stopping electric motors.
• Load Switching: Controlling resistive, inductive, and capacitive loads.
• Automation: Acting as a crucial component in industrial automation and control systems.

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