Siemens 3RT2017-2LF42 Power Contactor, 12A, 5.5kW, 3-Pole, 110V DC, S00 Frame, Integrated Varistor, 1 NC Auxiliary Contact Original Brand New

Overview

The Siemens 3RT2017-2LF42 is a high-performance 3-pole power contactor designed for reliable switching of motors and industrial equipment in AC-3 and AC-3e applications. With a current rating of 12 A and power handling up to 5.5 kW at 400 V, it is built to operate efficiently under heavy-duty conditions. Engineered with an integrated varistor, spring-loaded terminals, and an auxiliary contact (1 NC), this contactor offers durability, safety, and quick installation, making it ideal for automation and control systems.

Key Benefit

• Efficient Switching for motors and inductive loads in AC-3e/AC-3 duty.

• Long Operational Life thanks to robust Siemens engineering and quality materials.

• Enhanced Protection with integrated varistor to suppress voltage spikes.

• Quick & Secure Wiring via spring-loaded terminals – reduces wiring time and improves reliability.

• Compact Frame Size (S00) – perfect for panel space optimization.

• Pre-installed 1 NC Auxiliary Contact for flexible control options.

• Reliable Coil Operation with wide voltage range (0.7–1.25 * Uc) at 110 V DC.

Application

• Motor control in industrial automation

• Machinery & equipment control systems

• HVAC systems

• Manufacturing plants

• Panel building and OEM applications

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