Siemens 3RT2017-1MB42-0KT0 Power Contactor 12A, 5.5kW, 24V DC, 1NC Auxiliary, Screw Terminal, S00 Frame Original Brand New

Overview

The Siemens 3RT2017-1MB42-0KT0 is a high-performance power contactor designed for reliable switching of electrical loads. Part of the SIRIUS series, this compact and robust device is engineered to meet the demanding requirements of industrial applications. It is suitable for a wide range of uses, including controlling motors and other resistive loads. With its screw terminals, installation is straightforward and secure, ensuring a reliable connection.

Key Features & Benefit

• High Performance: Rated for AC-3e/AC-3 operation, handling currents up to 12 A and motor power up to 5.5 kW at 400 V, making it ideal for a variety of industrial motor control applications.
• Reliable DC Coil: The 24 V DC coil offers a wide operating range (0.85−1.85×Uc​), ensuring reliable operation even with voltage fluctuations. This makes it particularly suitable for systems with unstable power supplies.
• Integrated Auxiliary Contact: Features a built-in 1 NC (normally closed) auxiliary contact, which simplifies wiring and provides a direct feedback signal for control circuits.
• Compact Design: The small S00 frame size allows for efficient use of space within control cabinets, reducing the overall footprint of your electrical panels.
• Secure Connections: Equipped with robust screw terminals, this contactor ensures a solid and durable connection, reducing the risk of loose wires and intermittent operation.
• Durability & Safety: Built to the high standards of Siemens SIRIUS products, guaranteeing long-term reliability and compliance with international safety standards.

Function

The Siemens 3RT2017-1MB42-0KT0 power contactor serves as an electromagnetic switch. Its primary functions include:

1. Motor Control: Effectively switches on and off three-phase motors in various industrial machinery.
2. Load Switching: Controls resistive loads, such as heaters and lighting circuits.
3. Circuit Isolation: Provides a means of safely isolating power to a circuit for maintenance or safety purposes.
4. Integration into Control Systems: The auxiliary contact allows for easy integration into PLC or relay-based control systems for status monitoring and interlocking.

Application

• Pumps and Fans: Switching motors for HVAC systems, water pumps, and ventilation fans.
• Conveyor Systems: Control of conveyor belt motors in material handling applications.
• Machine Tools: Integration into the control panels of lathes, drills, and other manufacturing equipment.
• Automated Systems: Use in automated production lines, robotics, and packaging machinery.

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