Overview: The Siemens SIRIUS 3RT1054-2NF36 Power Contactor
The Siemens SIRIUS 3RT1054-2NF36 is a robust and high-performance power contactor designed for switching motors and other loads up to 115 A (AC-3e/AC-3 rating) and 55 kW at 400 V. This 3-pole contactor is engineered for use in demanding industrial environments, featuring a versatile AC (50-60 Hz) / DC operating coil with a wide control voltage range of 96-127 V Uc, along with a 24 V DC PLC input. Its electronic drive ensures reliable operation.
Key Features & Technical Specification
- Product Number: 3RT1054-2NF36
- Performance Rating: AC-3e/AC-3, 115 A, 55 kW at 400 V
- Poles: 3-pole
- Control Voltage (Uc): 96-127 V AC (50-60 Hz) / DC
- Drive: Electronic
- Auxiliary Contacts: Integrated 2 NO + 2 NC
- PLC Input: Dedicated 24 V DC input
- Main Circuit Connection: Busbar
- Control & Auxiliary Connection: Spring-loaded terminal
Benefit
- High Performance: Capable of handling significant loads up to 115 A and 55 kW, suitable for large motor control applications.
- Flexible Control: Wide control voltage range (96-127V AC/DC) simplifies installation in various power systems.
- PLC Integration Ready: The dedicated 24 V DC PLC input allows for direct, reliable interfacing with modern programmable logic controllers.
- Time-Saving Installation: Features spring-loaded terminals for control and auxiliary circuits, enabling fast, vibration-proof, and maintenance-free wiring.
- Space Optimization: Main circuit connection via a busbar simplifies power distribution and saves panel space.
- Enhanced Reliability: Integrated 2 NO + 2 NC auxiliary contacts provide essential feedback and interlocking capabilities.
Function
The Siemens 3RT1054-2NF36 Power Contactor functions as an electrically operated switch for safely and remotely controlling power flow to electric motors, heaters, lighting systems, and capacitor banks. It is a fundamental component in motor control centers (MCCs) and automation panels, providing the means to start, stop, and protect electrical loads. The electronic drive ensures precise switching, while the various connection options offer flexibility for integration into complex control systems.
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