Product Description

🔹 Power Contactor with Mirror Contact Elements, Screw Terminals, AC Coil – 3RT2018-1AP018K

🔹 Product Description

The Siemens 3RT2018-1AP018K is a SIRIUS 3RT2 series 3-pole power contactor designed for reliable switching of three-phase motors up to 7.5 kW at 400 V AC. It features mirror contact elements, spring-loaded (push-in) terminals, and a 230 V AC control coil (50/60 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 16 A, making it suitable for medium-duty motor switching applications where fast wiring and reliable PLC integration are required.

Based on Siemens SIRIUS catalog data, the 3RT2018 series supports 16 A AC-3 rating and 7.5 kW motor switching at 400 V AC, ensuring stable performance in industrial environments with frequent switching duty.

The integrated mirror contact elements provide mechanically linked feedback of the main contacts, which is essential for PLC interlocking, safety circuits, and machine monitoring systems, allowing the controller to verify the real ON/OFF status of the contactor for safe operation and diagnostics.

With spring-loaded (push-in) terminals, wiring becomes faster, vibration-resistant, and maintenance-friendly compared to traditional screw terminals, making it suitable for modern control panels.

🔹 Key Features

• Siemens SIRIUS 3RT2 series power contactor
• Model: 3RT2018-1AP018K
• 3-pole motor switching contactor
• Rated AC-3 current: 16 A
• Motor rating: 7.5 kW @ 400 V AC
• Control coil: 230 V AC (50/60 Hz)
• Mirror contact elements for safety feedback
• Spring-loaded (push-in) terminals for fast wiring
• Compact S00 frame size
• 1 NO auxiliary contact (series dependent)
• High electrical endurance and reliable switching
• Suitable for industrial automation and MCC panels
• Compatible with Siemens SIRIUS modular accessories