Siemens 3RT2017-2KB42 Power Contactor 12A, 5.5kW, 24V DC, S00 Frame Original Brand New

Overview

The Siemens 3RT2017-2KB42 is a high-performance, 3-pole power contactor designed for reliable switching of electrical loads in various industrial applications. This compact S00 frame size contactor is optimized for efficiency and space-saving integration. With an AC-3e/AC-3 rating of 12 A and 5.5 kW at 400 V, it’s perfect for controlling motors, heaters, and other inductive loads.

Its 24 V DC control voltage with a wide operating range (0.7-1.25*Uc) and integrated suppressor diode ensures stable and reliable operation, making it an excellent choice for modern control systems.

Key Features & Benefit

• Robust Performance: Rated for AC-3e/AC-3 applications, this contactor handles demanding loads up to 12 A and 5.5 kW at 400 V, ensuring long-term reliability and performance.
• PLC Compatible: The 24 V DC control voltage and integrated suppressor diode make it perfectly suited for direct control by PLC outputs, simplifying wiring and reducing the need for external components.
• Space-Saving Design: The compact S00 frame size allows for high-density mounting in control panels, optimizing space and reducing overall panel dimensions.
• Integrated Suppressor Diode: This feature protects sensitive PLC outputs and other control electronics from voltage spikes, enhancing system durability and reducing maintenance costs.
• Secure & Fast Wiring: Spring-loaded terminals provide a vibration-proof, reliable connection. This technology speeds up installation time and ensures a consistent, low-resistance contact over the product’s lifespan.
• Integrated Auxiliary Contact: The 1 NC (normally closed) auxiliary contact provides essential feedback for control circuits and interlocking applications.
• Durable Construction: Built with Siemens’ renowned quality, this contactor is designed for a long mechanical and electrical lifespan, even in harsh industrial environments.

Function

• Motor Control: Ideal for starting and stopping three-phase motors.
• Switching of Heaters & Resistors: Efficiently controls resistive loads in heating systems.
• Lighting Control: Can be used to switch high-wattage lighting circuits.
• General Load Switching: Suitable for a wide range of AC loads within its specified ratings.

Technical Specification

• Product Number: 3RT2017-2KB42
• Contactor Type: Power Contactor
• Number of Poles: 3
• Rated Current: 12 A (AC-3e/AC-3)
• Rated Power: 5.5 kW @ 400 V
• Control Voltage: 24 V DC
• Control Voltage Range: 0.7 – 1.25 * Uc
• Auxiliary Contacts: 1 NC (Normally Closed)
• Terminal Type: Spring-loaded terminals
• Frame Size: S00
• Special Features: Integrated suppressor diode, suitable for PLC outputs
• Note: No auxiliary switch can be added

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