The Siemens Power Contactor 3RT1055-6PF35 represents the next generation of industrial switching technology, combining reliable motor control performance with intelligent monitoring capabilities. Designed as part of the advanced Siemens SIRIUS 3RT series, this power contactor features an integrated Remaining Lifetime Indicator (RLT) that enables predictive maintenance and helps prevent unexpected equipment failures. The innovative design makes the 3RT1055-6PF35 an ideal choice for industries seeking enhanced operational reliability, reduced downtime, and improved maintenance planning.
Available at SB Smart (sbsmart.in), the Siemens 3RT1055-6PF35 Power Contactor is engineered for demanding industrial environments where continuous operation is critical. Featuring an electronic drive, PLC-compatible control input, integrated auxiliary contacts, and remaining lifetime monitoring, this contactor offers significantly more functionality than conventional motor control devices. It provides real-time information regarding contact wear, enabling maintenance teams to schedule service activities before failures occur.
The 3RT1055-6PF35 is specifically designed for switching and controlling motors up to 75 kW at 400V AC, making it suitable for manufacturing facilities, process industries, HVAC systems, water treatment plants, infrastructure projects, and industrial automation applications. With its advanced electronic switching technology and intelligent diagnostics, this Siemens contactor supports modern Industry 4.0 maintenance strategies while maximizing equipment availability.
A standout feature of the Siemens 3RT1055-6PF35 is its integrated Remaining Lifetime Indicator (RLT). Unlike traditional contactors that provide no information about contact wear, the RLT function continuously monitors operating conditions and provides valuable maintenance data. This enables plant operators to replace contactors proactively rather than reactively, helping reduce costly production interruptions and unplanned downtime.
The integrated electronic drive system further enhances performance by providing precise switching control, reduced mechanical wear, and improved operational efficiency. Combined with PLC integration capability through a 24V DC input, the contactor seamlessly fits into modern automation architectures.
The Siemens 3RT1055-6PF35 Power Contactor is ideal for:
At SB Smart (sbsmart.in), we supply genuine Siemens automation and electrical products for industrial applications. The 3RT1055-6PF35 offers a powerful combination of motor control performance and intelligent maintenance monitoring, helping businesses improve reliability, reduce downtime, and optimize maintenance costs. Whether you're upgrading an existing control system or building a new automation panel, this Siemens power contactor delivers long-term value and dependable performance.
| Specification | Details |
|---|---|
| Product Name | Power Contactor with Remaining Lifetime Indicator |
| Manufacturer | Siemens |
| Series | SIRIUS 3RT |
| Order Code | 3RT1055-6PF35 |
| Product Type | Electronic Power Contactor |
| Number of Main Poles | 3 Pole |
| Main Contacts | 3 NO |
| Auxiliary Contacts | 1 NO + 1 NC |
| Contactor Size | S6 |
| Drive Type | Electronic Drive |
| Remaining Lifetime Indicator | Yes (RLT) |
| PLC Input | 24V DC |
| Control Voltage (Uc) | 96–127V AC/DC |
| Frequency | 50/60 Hz |
| Rated Operational Current (AC-3) | 150 A |
| Rated Operational Current (AC-1) | 185 A |
| Motor Rating @ 400V | 75 kW |
| Maximum Operational Voltage | 1000 V AC |
| Main Circuit Connection | Busbar |
| Control Circuit Connection | Screw Terminal |
| Auxiliary Circuit Connection | Screw Terminal |
| Surge Suppressor | Integrated |
| Mechanical Life | Up to 10 Million Operations |
| Protection Class | IP00 |
| Mounting Type | Panel Mount |
| Application | Motor Control & Power Switching |
| Brand | Siemens |
| Condition | New & Genuine Product |
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