Siemens 3RT2018-1AD02 Power Contactor 16A, 7.5kW, 3-Pole, 42V AC Coil Original Brand New

Overview

The Siemens 3RT2018-1AD02 Power Contactor is a high-quality electrical switching device designed for reliable motor control and industrial automation applications. Engineered for durability and precision, this 3-pole contactor supports AC-3e/AC-3 operation, delivering 16 A current and 7.5 kW at 400V performance. With its compact S00 size, 42V AC coil, and screw terminal connections, it ensures safe, efficient, and long-lasting operation in demanding environments.

Key Features & Specification

• Manufacturer: Siemens

• Product Type: Power Contactor

• Model Number: 3RT2018-1AD02

• Rated Operational Current (AC-3): 16 A

• Power Rating: 7.5 kW at 400 V

• Poles: 3-pole configuration

• Coil Voltage: 42V AC, 50/60 Hz

• Auxiliary Contacts: 1 NC (Normally Closed)

• Connection Type: Screw terminal

• Size: S00 (compact)

• Durability: Built for high switching frequency and long mechanical life

• Mounting: DIN rail or panel mount

Benefit

• High Reliability: Designed by Siemens for consistent, safe operation under load conditions.
• Compact Design: S00 frame saves panel space and simplifies installation.
• Efficient Motor Control: Suitable for motors up to 7.5 kW, ensuring stable power switching.
• Versatile Coil Voltage: 42V AC coil compatible with a wide range of control circuits.
• Ease of Maintenance: Screw terminals allow quick connection and secure wiring.
• Extended Service Life: High endurance and robust contact materials reduce downtime.

Function & Application

The Siemens 3RT2018-1AD02 functions as an electromechanical switching device that controls power circuits—especially for motor starting, reversing, and load switching applications. It is ideal for use in:

• Industrial automation systems

• Control panels and distribution boards

• Conveyor systems

• Pump and fan control

• HVAC and machinery systems

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