The Siemens Power Contactor 3RT1066-6AF368K is a robust industrial switching device designed to deliver exceptional performance, operational safety, and long-term reliability in demanding industrial environments. As part of the globally recognized Siemens SIRIUS 3RT contactor range, this advanced power contactor combines mirror contact technology, conventional AC/DC coil operation, and secure screw terminal connections to provide efficient motor control and power switching solutions.
Available at SB Smart (sbsmart.in), the 3RT1066-6AF368K Power Contactor is engineered for industrial applications that demand reliable switching of motors and electrical loads. Whether installed in manufacturing facilities, process automation systems, power distribution networks, infrastructure projects, or OEM machinery, this Siemens contactor delivers the durability and performance expected from one of the world's leading industrial automation brands.
The Siemens 3RT1066-6AF368K is specifically designed to support continuous industrial operation while helping reduce maintenance requirements and improve system reliability. Its rugged construction and advanced design make it a preferred choice for panel builders, electrical contractors, maintenance engineers, and automation professionals.
Industrial operations require contactors capable of handling high switching loads while maintaining consistent performance under challenging operating conditions. The 3RT1066-6AF368K is built on Siemens' proven S10 platform and incorporates advanced contact technology to ensure reliable switching performance throughout its service life.
The conventional AC/DC coil design offers flexible operation across a wide range of industrial control systems, while screw terminal connections provide secure wiring and simplify installation and maintenance procedures. These features contribute to enhanced operational efficiency and reduced downtime.
A key advantage of this contactor is its integrated mirror contact elements, which provide accurate feedback regarding the status of the main contacts. This functionality supports improved diagnostics, enhanced monitoring, and safer industrial control systems.
Genuine Siemens SIRIUS 3RT Power Contactor
Product Order Code: 3RT1066-6AF368K
Mirror Contact Elements for enhanced safety and monitoring
Conventional AC/DC coil technology
3-pole power contactor configuration
Secure screw terminal connections
Integrated auxiliary contacts (2NO + 2NC)
AC-3 rated current up to 300A
Suitable for motor control and power distribution
Robust S10 frame construction
Long mechanical and electrical service life
Reliable operation in demanding industrial environments
Siemens-certified quality and engineering excellence
The 3RT1066-6AF368K incorporates mirror contact elements that mechanically reflect the position of the main contacts. This feature provides reliable status indication and supports enhanced safety functions in industrial automation systems.
Mirror contacts are particularly valuable in applications where accurate feedback, fault detection, and equipment monitoring are critical. By improving visibility into contactor operation, they help maintenance teams reduce downtime and improve system reliability.
The Siemens 3RT1066-6AF368K Power Contactor is widely used in:
Motor Control Centers (MCC)
Industrial Control Panels
Manufacturing Plants
Process Automation Systems
Power Distribution Networks
HVAC Installations
Water & Wastewater Treatment Plants
Infrastructure Projects
OEM Machinery
Industrial Energy Management Systems
Its dependable switching performance makes it suitable for a wide range of industrial motor control and power management applications.
Siemens SIRIUS contactors are trusted worldwide for their durability, performance, and engineering innovation. The 3RT1066-6AF368K continues this tradition by providing reliable switching performance, advanced safety features, and long-term operational value.
Businesses that choose Siemens benefit from improved system reliability, reduced maintenance costs, enhanced equipment protection, and globally recognized industrial quality.
At SB Smart (sbsmart.in), we supply genuine Siemens industrial automation and electrical products sourced through authorized channels. The Power Contactor with Mirror Contact Elements, Screw Terminals, AC/DC Coils (Conventional Type) – 3RT1066-6AF368K is an ideal solution for industries seeking dependable motor control and power switching equipment.
Whether you are upgrading an existing system, building a new control panel, or replacing critical switching components, the Siemens 3RT1066-6AF368K delivers the performance, reliability, and quality required for demanding industrial applications.
| Specification | Details |
|---|---|
| Product Name | Power Contactor |
| Manufacturer | Siemens |
| Series | SIRIUS 3RT |
| Order Code | 3RT1066-6AF368K |
| Product Type | Power Contactor |
| Number of Main Poles | 3 Pole |
| Main Contact Configuration | 3 NO |
| Auxiliary Contacts | 2 NO + 2 NC |
| Coil Type | Conventional AC/DC Coil |
| Coil Voltage | 110–127V AC/DC |
| Control Voltage Frequency | 50/60 Hz |
| Frame Size | S10 |
| Rated Operational Current (AC-3) | 300 A |
| Rated Operational Current (AC-1) | 550 A |
| Motor Rating @ 400V | Up to 160 kW |
| Rated Operational Voltage | Up to 1000 V AC |
| Terminal Type | Screw Terminals |
| Main Circuit Connection | Busbar |
| Mirror Contact Elements | Yes |
| Mechanical Life | Up to 10 Million Operations |
| Mounting Type | Panel Mount |
| Application | Motor Control & Power Switching |
| Brand | Siemens |
| Condition | New & Genuine Product |
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