Siemens 3RT2017-1BG42 SIRIUS Power Contactor, 12A, 5.5kW, 3-Pole, 125V DC Coil, Size S00 Original Brand New

Overview

The Siemens 3RT2017-1BG42 is a compact and reliable power contactor from the trusted SIRIUS 3RT20 series, designed for switching electrical loads, particularly three-phase motors. It adheres to the latest standards (AC-3e/AC-3) and offers a high degree of contact reliability within the smallest design (Size S00). This specific model features a 125 V DC control voltage, making it suitable for applications requiring direct current control.

Benefit

1. Compact Design (Size S00): Space-saving installation in control panels and cabinets without compromising on performance.
2. High Reliability: Part of the SIRIUS modular system, ensuring optimal coordination and dependable switching of motor loads.
3. Versatile Control: Features a 125 V DC coil for specialized DC control applications.
4. Integrated Auxiliary Contact: The built-in 1 NC (Normally Closed) auxiliary switch simplifies wiring and reduces the need for external components for basic feedback/interlocking circuits.
5. Easy Installation: Features robust screw terminals for secure wiring and flexible mounting options (DIN rail or screw fix).
6. Global Standard Compliance: Approved worldwide for diverse industrial and commercial applications (IEC and UL/CSA).

Function

The Siemens 3RT2017-1BG42 Power Contactor functions as an electromechanical switch used primarily for switching on and off electric motors and other resistive or inductive loads up to $12\text{ A}$ (AC-3) and $5.5\text{ kW}$ at $400\text{ V}$. When the $125\text{ V DC}$ control voltage is applied to the coil, it closes the main contacts to power the connected load. The integrated $1\text{ NC}$ auxiliary contact provides immediate operational status feedback to the control system.

Application

Ideal for use in various industrial automation and control systems, including:

• Motor Starters (Direct-on-line starters)
• Heating and Ventilation Systems
• Pumps and Compressors
• Conveyor Systems
• General Industrial Load Switching

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