Overview

The Siemens 3RT5056-6AV36 is a high-performance industrial contactor designed for reliable motor switching and control in demanding applications. Part of the renowned Siemens SIRIUS series, this 3-pole S6 contactor delivers exceptional durability, efficient operation, and seamless integration into modern automation systems. Engineered for 380…420 V AC/DC coil voltage, it ensures efficient switching performance under AC3 duty with a kW rating of 400 V AC (50–60 Hz). Its robust construction and bar-type connections make it ideal for heavy-duty industrial environments.

Benefit

• High Switching Performance
  Designed for AC3 applications, providing reliable motor control even under heavy load conditions.

• Dual Operation Capability
  Supports both AC and DC operation, offering flexibility in various control setups.

• Enhanced Safety & Monitoring
  Includes 2 NO + 2 NC auxiliary contacts for improved signaling and interlocking.

• Durable Industrial Design
  Built to Siemens’ high-quality standards, ensuring long operational life and reduced maintenance.

• Easy Installation
  Comes with screw terminals and bar connections, providing secure and simple wiring options.

• Space-Saving S6 Size
  Optimized footprint for compact control panels while maintaining high performance.

Function & Features

• Coil Voltage: 380…420 V AC/DC

• Utilization Category: AC3

• Rated Power: Suitable for kW switching at 400 V AC (50–60 Hz)

• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)

• Poles: 3-Pole configuration

• Mounting: Bar connection for robust industrial wiring

• Terminals: Screw terminal mechanism

• Mechanical Durability: Designed for continuous heavy-duty industrial use

• Application Areas:

  • Motor control centers

  • Conveyor systems

  • HVAC systems

  • Pumping stations

  • Industrial automation panels

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