The Siemens Power Contactor 3RT1055-6CF308K is a high-performance industrial switching device engineered for dependable motor control and power switching applications. As part of the globally recognized Siemens SIRIUS 3RT series, this contactor combines robust construction, advanced mirror contact technology, secure screw terminal connections, and reliable AC coil operation to deliver exceptional performance in demanding industrial environments.
Available at SB Smart (sbsmart.in), the 3RT1055-6CF308K Power Contactor is designed to meet the needs of industries requiring safe, efficient, and long-lasting switching solutions. Whether used in manufacturing facilities, motor control centers, automation systems, HVAC installations, infrastructure projects, or power distribution networks, this Siemens contactor provides consistent performance and operational reliability.
The Siemens 3RT1055-6CF308K is built using Siemens' proven engineering expertise, ensuring high electrical endurance and excellent mechanical durability. Its integrated Mirror Contact Elements provide enhanced operational safety by accurately reflecting the position of the main contacts, making it ideal for industrial control systems where monitoring and diagnostics are essential.
Industrial facilities require switching devices capable of handling continuous operation while maintaining high reliability. The 3RT1055-6CF308K is specifically designed for these demanding conditions. Its heavy-duty construction supports reliable switching of motors, pumps, compressors, conveyors, fans, and other industrial loads.
The AC coil configuration ensures stable operation and dependable switching performance across a wide range of industrial applications. Meanwhile, the screw terminal connection system provides secure wiring, easier installation, and simplified maintenance procedures, helping reduce downtime and improve overall system efficiency.
One of the most significant advantages of the Siemens Power Contactor 3RT1055-6CF308K is its ability to deliver consistent performance even in harsh industrial environments where reliability is critical.
The Mirror Contact Elements integrated into the 3RT1055-6CF308K provide a valuable safety advantage in industrial automation systems. These mechanically linked auxiliary contacts accurately indicate the status of the main contacts, allowing operators and control systems to monitor equipment performance more effectively.
This feature supports preventive maintenance, enhances diagnostic capabilities, and improves overall operational safety. In applications where equipment protection and process continuity are critical, mirror contact technology offers significant benefits.
The Siemens 3RT1055-6CF308K Power Contactor is suitable for:
Its dependable switching capabilities make it an ideal solution for industries seeking reliable motor control and power management equipment.
At SB Smart (sbsmart.in), we supply genuine Siemens industrial automation and electrical products sourced through trusted channels. The 3RT1055-6CF308K Power Contactor offers superior performance, long service life, and reliable operation for critical industrial applications.
Whether you are building a new control panel, upgrading an automation system, or replacing an existing contactor, the Siemens 3RT1055-6CF308K delivers the quality, durability, and operational reliability expected from Siemens industrial products.
| Specification | Details |
|---|---|
| Product Name | Power Contactor |
| Manufacturer | Siemens |
| Series | SIRIUS 3RT |
| Order Code | 3RT1055-6CF308K |
| Product Type | Power Contactor |
| Number of Main Poles | 3 Pole |
| Main Contact Configuration | 3 NO |
| Auxiliary Contacts | 2 NO + 2 NC |
| Coil Type | AC Coil |
| Coil Voltage | 110–127V AC |
| Control Frequency | 50/60 Hz |
| Frame Size | S6 |
| Rated Operational Current (AC-3) | 150 A |
| Rated Operational Current (AC-1) | 185 A |
| Motor Rating @ 400V | Up to 75 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 |
| Protection Class | IP00 |
| Application | Motor Control & Power Switching |
| Brand | Siemens |
| Condition | New & Genuine Product |
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