Siemens 3RT2018-1FB44-3MA0 Power Contactor 16A, 7.5 kW, 3-Pole, 24V DC with Integrated Diode Original Brand New

Overview

The Siemens 3RT2018-1FB44-3MA0 is a high-performance power contactor designed for industrial applications requiring reliable switching of motors and other loads. Engineered with AC-3e/AC-3 capabilities, this contactor supports up to 16 A and 7.5 kW at 400 V, ensuring stable operation under demanding conditions. Its compact S00 size and screw terminal design simplify installation while providing robust performance. Integrated diode and captive auxiliary switch enhance safety and operational efficiency.

Key Benefit

• Reliable Performance: AC-3e/AC-3 rated for precise motor control up to 7.5 kW / 400 V.

• Enhanced Safety: Integrated diode protects against voltage spikes, while captive auxiliary switch ensures secure operation.

• Versatile Configuration: Comes with 2 NO + 2 NC auxiliary contacts for flexible control schemes.

• Easy Installation: Compact S00 size with screw terminals reduces wiring time and simplifies setup.

• Durable Design: Built for long-lasting operation in industrial environments.

Function

• Switching and controlling three-phase AC motors and industrial loads.

• Integration with automation systems using auxiliary contacts (2 NO + 2 NC).

• Protection against electrical surges with integrated diode.

• Simplifying maintenance with captive auxiliary switch design.

Technical Specification

• Model Number: Siemens 3RT2018-1FB44-3MA0

• Type: Power Contactor

• Poles: 3

• Rated Current: 16 A

• Rated Power: 7.5 kW / 400 V

• Coil Voltage: 24 V DC

• Auxiliary Contacts: 2 NO + 2 NC

• Terminal Type: Screw

• Size: S00

• Special Features: Integrated diode, captive auxiliary switch

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