Siemens 3RT2018-1BW41 Power Contactor 3-Pole, 16A, 7.5kW/400V, 48V DC Coil, 1NO Auxiliary Contact, S00 Size Original Brand New

Overview

The Siemens 3RT2018-1BW41 Power Contactor is a high-performance, compact contactor designed for reliable motor control and power switching in industrial applications. Built to Siemens’ world-class standards, this 3-pole contactor provides superior efficiency, durability, and safety for AC-3e/AC-3 operations up to 7.5 kW at 400V.

Engineered with a 48V DC control voltage, the 3RT2018-1BW41 ensures precise switching and long operational life, making it ideal for automation systems, control panels, and power distribution setups.

Key Features & Specification

• Manufacturer: Siemens

• Product Number: 3RT2018-1BW41

• Type: Power Contactor

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

• Rated Power: 7.5 kW at 400 V

• Poles: 3-Pole

• Control Voltage: 48 V DC

• Auxiliary Contacts: 1 Normally Open (1NO)

• Connection Type: Screw terminal

• Size: S00

• Mounting Style: DIN rail mountable

• Applications: Motor control, power distribution, industrial automation, switching devices

Benefit

• Reliable Performance: Consistent operation under demanding industrial conditions.
• Compact Design: Space-saving S00 size ideal for modern control cabinets.
• Long Service Life: Built with durable Siemens components for extended operation.
• Versatile Applications: Perfect for motor starters, HVAC systems, and control circuits.
• Easy Installation: Screw terminals ensure secure and efficient wiring.

Functionality

The Siemens 3RT2018-1BW41 functions as a motor control contactor designed to switch and control electrical loads such as motors, lighting, and heating systems. With its AC-3e/AC-3 rating, it handles frequent starts and stops of induction motors efficiently while minimizing wear on electrical contacts.

Application

• Motor control centers (MCC)

• Industrial automation systems

• Conveyor systems

• HVAC and refrigeration

• Electrical distribution panels

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