The Siemens Power Contactor 3RT1055-6AF368K is a high-performance industrial switching solution designed to deliver reliable motor control and power distribution performance in demanding industrial environments. As part of the globally trusted Siemens SIRIUS 3RT series, this power contactor combines advanced mirror contact technology, conventional AC/DC coil operation, and secure screw terminal connections to provide exceptional operational reliability and long service life.
Available at SB Smart (sbsmart.in), the 3RT1055-6AF368K Power Contactor is engineered for industries that require dependable switching of motors, compressors, pumps, conveyors, HVAC systems, and other industrial loads. Its rugged construction and Siemens-engineered quality make it an ideal choice for manufacturing facilities, automation systems, motor control centers, process industries, and power distribution applications.
One of the standout features of the Siemens 3RT1055-6AF368K is its integrated Mirror Contact Elements, which provide accurate feedback regarding the position of the main contacts. This safety-focused feature enhances system diagnostics, equipment monitoring, and preventive maintenance, helping reduce unexpected downtime while improving operational safety.
The 110–127V AC/DC conventional coil provides flexible control voltage compatibility, making the contactor suitable for a wide variety of industrial control systems. Combined with robust screw terminal connections, the contactor ensures secure electrical wiring and simplified installation and maintenance.
Industrial applications demand switching devices that can operate reliably under continuous-duty conditions. The 3RT1055-6AF368K is built to meet these challenges, offering dependable switching performance, excellent electrical endurance, and long mechanical life.
Its robust S6 frame design provides superior durability while maintaining compact installation dimensions. The integrated auxiliary contacts support additional control, signaling, and monitoring functions, making the contactor suitable for advanced automation systems.
Whether installed in a new industrial control panel or used as a replacement component in existing equipment, the Siemens 3RT1055-6AF368K delivers the performance and reliability expected from a world-leading automation brand.
The integrated Mirror Contact Elements provide reliable status feedback by accurately reflecting the position of the main power contacts. This feature supports enhanced machine safety, improved diagnostics, and more effective preventive maintenance strategies.
For industrial automation systems, mirror contacts help maintenance teams identify potential issues before they result in costly downtime, improving overall equipment availability and operational efficiency.
The Siemens 3RT1055-6AF368K Power Contactor is ideal for:
At SB Smart (sbsmart.in), we provide genuine Siemens industrial automation and electrical products sourced through trusted channels. The 3RT1055-6AF368K Power Contactor offers dependable performance, enhanced safety features, and long-term operational value for industrial applications.
Whether you are designing a new automation system, upgrading existing equipment, or replacing a critical motor control component, the Siemens 3RT1055-6AF368K delivers trusted Siemens quality, durability, and reliability.
| Specification | Details |
|---|---|
| Product Name | Power Contactor |
| Manufacturer | Siemens |
| Series | SIRIUS 3RT |
| Order Code | 3RT1055-6AF368K |
| 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 | S6 |
| Rated Operational Current (AC-3) | 150 A |
| Rated Operational Current (AC-1) | 185 A |
| Motor Rating @ 400V | 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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