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Siemens 3TH2731-0AC2 - Contactor Relay 24V AC (3NO+1NC)

Siemens
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Siemens 3TH2731-0AC2 is a contactor relay designed for motor control and control circuit switching applications. It operates on a 24V AC control voltage at 50/60 Hz, featuring a contact configuration of 3 normally open (NO) and 1 normally closed (NC) contacts. This unit weighs 0.72 lb and utilizes screw terminal connections for secure wiring, with mechanical latching for reliable operation. It complies with IEC standards, specifically EN 50011, ensuring robust performance in industrial environments. Typical applications include motor control circuits and general switching tasks in factory automation and process control systems.

Key Features & Specifications
  • Manufacturer: Siemens
  • Item Subcategory: Contactor
  • Weight: 0.72 lb
  • Part Number: 3TH2731-0AC2
  • Contact Configuration: 3 NO + 1 NC
  • Control Voltage: 24V AC
  • Frequency: 50/60 Hz
  • Mounting Type: Screw Terminals
  • Standards: EN 50011 (IEC Rated)
  • Mechanical Latching: Yes