The Siemens Power Contactor 3RT1066-6LA068K is a heavy-duty industrial switching device designed to deliver reliable performance in demanding motor control and power distribution applications. As part of the renowned Siemens SIRIUS 3RT contactor family, this contactor combines robust construction, superior switching capability, and integrated auxiliary contacts to provide efficient control of high-power electrical loads in industrial environments.
Available at SB Smart (sbsmart.in), the 3RT1066-6LA068K Power Contactor is specifically engineered for applications requiring dependable switching performance, operational reliability, and long service life. Designed without an operating coil, this contactor offers flexibility by allowing users to select and order the appropriate coil separately according to their system requirements.
The Siemens 3RT1066-6LA068K is widely used in industrial automation systems, motor control centers, manufacturing plants, infrastructure projects, and power distribution networks where uninterrupted operation and equipment protection are critical. Its durable design and Siemens engineering excellence make it a trusted choice for electrical engineers, OEMs, panel builders, and maintenance professionals.
Industrial facilities require contactors capable of handling heavy switching duties while maintaining consistent performance under demanding operating conditions. The 3RT1066-6LA068K is engineered to meet these requirements through its robust S10 frame design, high switching capacity, and reliable contact system.
This power contactor is supplied without an operating coil, providing greater flexibility during system design and allowing users to select the coil voltage that best suits their application. The integrated auxiliary contacts simplify control circuit integration while improving monitoring and operational functionality.
Built to Siemens' global quality standards, the 3RT1066-6LA068K Power Contactor delivers long-term reliability, reduced maintenance requirements, and excellent operational efficiency.
Genuine Siemens SIRIUS 3RT Power Contactor
Product Order Code: 3RT1066-6LA068K
Supplied without operating coil
Coil can be ordered separately based on application requirements
3-pole power contactor configuration
Integrated auxiliary contacts (2NO + 2NC)
AC-3 rated current up to 300A
Motor rating up to 160 kW at 400V
Robust S10 frame construction
Main circuit busbar connection
Screw terminals for control and auxiliary circuits
Long mechanical and electrical service life
Suitable for industrial motor control and switching applications
Siemens-certified reliability and quality
The Siemens 3RT1066-6LA068K Power Contactor is suitable for a wide range of industrial applications, including:
Motor Control Centers (MCC)
Industrial Control Panels
Manufacturing Plants
Process Automation Systems
Power Distribution Networks
HVAC Systems
Water & Wastewater Treatment Plants
Infrastructure Projects
OEM Machinery
Heavy Industrial Equipment
Its high switching capacity and dependable operation make it an ideal solution for industries requiring reliable motor control and power management.
Siemens SIRIUS contactors are globally recognized for their exceptional performance, durability, and engineering excellence. The 3RT1066-6LA068K continues this legacy by offering dependable switching performance, flexible coil selection, and integrated auxiliary contacts that enhance system functionality.
By choosing Siemens contactors, industries benefit from reduced downtime, improved operational efficiency, enhanced equipment protection, and long-term reliability.
At SB Smart (sbsmart.in), we supply genuine Siemens industrial automation and electrical products sourced through authorized channels. The Power Contactor Without Operating Coil with Auxiliary Contacts – 3RT1066-6LA068K is ideal for industrial professionals seeking reliable motor control solutions backed by Siemens quality.
Whether you are building a new control panel, upgrading industrial equipment, or replacing an existing contactor, the Siemens 3RT1066-6LA068K delivers the performance and reliability required for critical industrial operations.
| Specification | Details |
|---|---|
| Product Name | Power Contactor |
| Manufacturer | Siemens |
| Series | SIRIUS 3RT |
| Order Code | 3RT1066-6LA068K |
| Product Type | Power Contactor |
| Number of Main Poles | 3 Pole |
| Main Contacts | 3 NO |
| Auxiliary Contacts | 2 NO + 2 NC |
| Coil | Without Operating Coil |
| Coil Selection | To Be Ordered Separately |
| Contactor Size | S10 |
| Rated Operational Current (AC-3) | 300 A |
| Motor Rating @ 400V | 160 kW |
| Rated Operational Voltage | Up to 690 V AC |
| Main Circuit Connection | Busbar |
| Control Circuit Connection | Screw Terminals |
| Auxiliary Circuit Connection | Screw Terminals |
| Mirror Contacts | 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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