Siemens 3RT2517-1BF40 Power Contactor AC-3, 12A, 5.5 kW, 4-Pole, 110V DC Coil, S00 Size Original Brand New

Overview

The Siemens 3RT2517-1BF40 is a high-performance power contactor designed for reliable motor switching and control in industrial and automation environments. Built with Siemens’ signature engineering quality, this contactor supports AC-3 applications up to 5.5 kW at 400V and features a robust 110V DC coil for stable operation.

With 2 NO + 2 NC main contacts, screw terminals, and compact S00 size, the 3RT2517-1BF40 is engineered for easy installation, long life, and dependable performance in demanding electrical control systems.

Features

• Rated operational current: 12 A

• AC-3 motor rating: 5.5 kW at 400 V

• 4-pole configuration

• 110 V DC control voltage

• Main contacts: 2 NO + 2 NC

• Screw terminal connection

• Compact S00 size for modular panel building

• Designed for motor control, switching, and load management

• High mechanical lifespan for continuous industrial use

Benefit

• Exceptional reliability for heavy-duty industrial applications

• Fast and secure installation thanks to screw terminals

• Improved safety with NO/NC contact flexibility

• Energy-efficient 110V DC coil reduces operational energy consumption

• Ideal for compact control panels due to its small S00 form factor

• Compatible with Siemens control and automation systems

Function

The Siemens 3RT2517-1BF40 functions as a power contactor used to switch and control electric motors, resistive loads, and industrial equipment. It ensures safe opening and closing of electrical circuits, providing stable operation in environments that require precision motor control and long-term durability.

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