Overview
The Siemens 3RT1056-2AF36 is a high-performance power contactor designed for demanding industrial applications. As part of the SIRIUS 3RT series, this contactor is engineered for reliability, safety, and efficiency in motor control and power switching. It is rated for AC-3e/AC-3 operation up to 185 A and 90 kW at 400 V, making it suitable for heavy-duty loads. The versatile 110-127 V AC/DC control voltage allows for flexible integration into various control systems.
Key Features & Benefit
- Robust Performance: With a high current rating of 185 A and a power rating of 90 kW, it reliably handles high-demand motor and power switching tasks.
- Versatile Control: The wide-range 110-127 V AC/DC control voltage ensures compatibility with a broad spectrum of control systems, simplifying integration and reducing inventory.
- Enhanced Connectivity: Features a busbar connection for the main circuit, providing a robust and easy-to-install power connection. The control and auxiliary circuits utilize spring-loaded terminals, which offer fast, reliable, and vibration-proof connections without the need for tools.
- Integrated Auxiliary Contacts: The built-in 2 NO (Normally Open) + 2 NC (Normally Closed) auxiliary contacts provide essential feedback and interlocking functionality for complex control schemes.
- Reliable Design: As a conventional drive contactor, it ensures proven performance and long-term durability in industrial environments.
- Space-Saving: The compact design helps optimize panel space, allowing for more efficient use of cabinet real estate.
Technical Specification
- Product Number: Siemens 3RT1056-2AF36
- Type: Power Contactor
- Series: SIRIUS 3RT
- Current Rating: 185 A (AC-3e/AC-3)
- Power Rating: 90 kW at 400 V
- Control Voltage (Uc): 110-127 V AC/DC (50-60 Hz)
- Poles: 3-pole
- Auxiliary Contacts: 2 NO + 2 NC
- Drive Type: Conventional
- Main Circuit Connection: Busbar
- Control & Auxiliary Circuit Connection: Spring-loaded terminal
Application
- Industrial motor control
- Power switching for high-demand loads
- HVAC systems
- Pumps and compressors
- Conveyor systems
- Automation and machinery
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