Product Description

🔹 Power Contactor with Mirror Contact Elements, Screw Terminals, AC Coil – 3RT2017-1AB028K

🔹 Product Description

The Siemens 3RT2017-1AB028K is a SIRIUS 3RT2 series 3-pole power contactor designed for reliable switching of three-phase motors up to 5.5 kW at 400 V AC. It features mirror contact elements, screw terminal connections, and a 110 V AC control coil (50 Hz) / 120 V AC (60 Hz), making it suitable for motor control centers (MCCs), automation systems, HVAC applications, and industrial power distribution systems.

This model belongs to the compact S00 frame size and is rated for AC-3 / AC-3e duty up to 12 A, making it suitable for small industrial motor control applications requiring reliable switching and PLC compatibility.

The integrated mirror contact elements provide mechanically linked feedback of the main contacts. This is essential for PLC interlocking, safety circuits, and system monitoring, ensuring the controller can accurately verify whether the contactor is actually ON or OFF, improving operational safety and diagnostics.

With screw terminals, the 3RT2017-1AB028K ensures secure wiring, vibration resistance, and long service life, making it suitable for demanding industrial panel environments.

🔹 Key Features

• Siemens SIRIUS 3RT2 series power contactor
• Model: 3RT2017-1AB028K
• 3-pole motor switching contactor
• Rated AC-3 current: 12 A
• Motor rating: 5.5 kW @ 400 V AC
• Control coil: 110 V AC (50 Hz) / 120 V AC (60 Hz)
• Mirror contact elements for safety feedback
• Screw terminal connection system
• Compact S00 frame size
• 1 NC auxiliary contact (typical variant)
• High electrical endurance and reliable switching
• Suitable for industrial automation and MCC panels
• Compatible with Siemens SIRIUS modular accessories