Siemens 3RT2017-1QB41 SIRIUS Power Contactor 12A, 5.5kW, 24V DC, 1 NO Aux, Screw Terminal Original Brand New

Overview

The Siemens 3RT2017-1QB41 is a high-performance SIRIUS power contactor designed for reliable and efficient switching of electrical loads up to 5.5 kW. Part of the compact S00 frame size series, this 3-pole contactor is engineered for AC-3e/AC-3 applications, handling a rated operational current of 12 A.

Its robust design features a 24 V DC control voltage with a wide operating range of 0.7 to 1.25 times the control supply voltage (Uc​), ensuring reliable operation even with voltage fluctuations. The integrated varistor provides superior protection against voltage peaks, safeguarding the control circuit. This model is equipped with a single normally open (1 NO) auxiliary contact and utilizes secure screw terminals for easy and dependable wiring.

Key Benefit

• Compact & Space-Saving: The S00 frame size allows for installation in tight spaces, optimizing panel layout.
• Reliable Performance: Engineered for AC-3e/AC-3 applications with a high breaking capacity, ensuring long-term operational stability.
• Integrated Protection: The built-in varistor protects the coil from harmful voltage spikes, extending the product’s lifespan and increasing system reliability.
• Versatile Control: The wide 24 V DC control voltage range (0.7−1.25×Uc​) accommodates various power supply conditions.
• Easy Installation: Screw terminals provide a simple and secure method for wiring, reducing installation time and effort.
• Durable Construction: Built with high-quality materials to withstand demanding industrial environments.

Function

The Siemens 3RT2017-1QB41 power contactor is primarily used for:

• Switching motors and other electrical loads in industrial automation and control systems.
• Controlling AC circuits, including lighting, heating, and ventilation systems.
• Use in applications requiring a reliable and compact switching device.

Technical Specification

• Product Number: 3RT2017-1QB41
• Type: Power Contactor
• Series: SIRIUS 3RT2
• Rated Operational Current (Ie​): 12 A (at AC-3e/AC-3)
• Rated Operational Power (Pe​): 5.5 kW (at 400 V)
• Number of Poles: 3
• Control Voltage: 24 V DC
• Control Voltage Range: 0.7 – 1.25 x Uc​
• Auxiliary Contacts: 1 NO (Normally Open)
• Coil Protection: Integrated varistor
• Terminals: Screw Terminals
• Frame Size: S00
• Auxiliary Switch Compatibility: No auxiliary switch can be added

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