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Siemens 3TX4431-2A - Auxiliary Switch Block 10A (3NO+1NC Contacts)

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Siemens 3TX4431-2A is an auxiliary switch block designed for use with contactor relays and motor contactors to provide additional switching functionality. It features 3 normally open and 1 normally closed contacts, with a rated current of 10A at both 24V and 230V, and utilizes screw terminal connections for secure wiring. The unit mounts via snap-on front mounting, has a compact design measuring 45mm wide, 24mm high, and 25mm deep, and weighs 0.09 lb. It complies with EN 50005 and IEC 60947-5-1 standards, offering IP20 protection. This auxiliary switch block is suitable for integration with Siemens SIRIUS contactors in industrial motor control applications.

Key Features & Specifications
  • Type: Auxiliary switch block
  • Contacts: 3 NO + 1 NC
  • Mounting: Snap-on front mount
  • Terminal Type: Screw terminals
  • Rated Current: 10A at 24V and 230V
  • Standards: EN 50005, IEC 60947-5-1
  • Dimensions: 45mm (W) x 24mm (H) x 25mm (D)
  • Protection Class: IP20
  • Identification Number: EN 50005 Ident. no. 31
  • Weight: 0.09 lb