Siemens SIRIUS 3RT1056-6SP36 Power Contactor, 185A, 90kW, Electronic Drive,Busbar Connection Original Brand New

Overview

The Siemens SIRIUS 3RT1056-6SP36 Power Contactor is a high-performance, 3-pole switching device designed for motor control and switching applications up to 185 A and 90 kW at 400 V (AC-3e/AC-3). Part of the trusted SIRIUS 3RT1 series, this contactor features an advanced electronic drive with an extremely wide operating range (Uc: 200-277 V AC/DC) and a dedicated F-PLC 24V DC input for direct integration into safety and control systems. Its robust design, combined with reliable main circuit busbar connection and convenient screw terminals for the control circuit, makes it ideal for demanding industrial environments.

Key Features / Function

• High Switching Capacity: Rated for $185\text{A}$ (AC-3e/AC-3) and $90\text{kW}$ at $400\text{V}$, suitable for large motor loads.
• Flexible Control: Equipped with a wide-range electronic drive (Uc: $200-277\text{V}\times (0.8-1.1)$ AC (50-60 Hz) / DC), ensuring reliable operation across various supply voltages.
• Safety Integration: Includes a specialized F-PLC input ($24\text{V}\text{DC}$) for direct, safe control from safety-related PLCs.
• Auxiliary Contacts: Features 2 NO (Normally Open) + 2 NC (Normally Closed) auxiliary contacts for signaling and interlock functions.
• Connection Type: Main circuit connection via busbar for high current capacity and simplified wiring, while the control and auxiliary circuits use reliable screw terminals.
• Poles: 3-pole design for standard three-phase motor applications.
• Product Series: Siemens SIRIUS 3RT1 series, known for quality and durability.

Benefit

• Enhanced Reliability: The wide-range electronic drive reduces the need for multiple coil variants and offers consistent performance even with voltage fluctuations.
• Simplified Safety Wiring: The dedicated F-PLC input streamlines integration into functional safety circuits, saving time and complexity.
• Durable and Robust: Built for heavy-duty industrial switching applications.
• Easy High-Current Installation: Busbar main connections facilitate a secure and efficient connection for high current loads.
• Seamless Integration: Fully compatible with other Siemens SIRIUS devices for building complete and scalable control systems

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