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Schneider Electric LADN31 - Auxiliary Contact Block (3NO/1NC, 690V)

Schneider Electric
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Schneider Electric LADN31 is a TeSys D auxiliary contact block designed for expanding the control functionality of contactors and motor starters by providing additional isolated contact positions. It features a maximum operational voltage rating of 690V AC and is configured with three normally open (NO) and one normally closed (NC) auxiliary contacts in a compact, modular housing measuring 48 mm x 44 mm x 42 mm (H x W x D) with a weight of 0.137 lb. The block is constructed for reliable performance across a broad temperature range from -25°C to 70°C and complies with major international standards including EN/IEC, UL, CSA, GB/T, CB, CCC, EAC, and UKCA. This makes it suitable for integration into industrial control panels, motor control centers (MCCs), and automation systems requiring supplemental signaling or interlocking circuits.

Key Features & Specifications
  • Type: Modular auxiliary contact block for contactors and starters
  • Voltage Rating: 690 V AC
  • Configuration: 3NO/1NC
  • Aux Contacts: 3 NO + 1 NC
  • Dimensions: 48 mm x 44 mm x 42 mm (H x W x D)
  • Weight: 0.137 lb
  • Temp Rating: -25°C to 70°C
  • Standards: EN/IEC 60947-5-1, UL 60947-5-1, CSA C22.2 No 60947-5-1, GB/T 14048.5, CB, CCC, EAC, UKCA
  • Family: TeSys D
  • Country of Origin: Czechia


Product Identification
  • UPC: 785901213710
  • GTIN: 03389110384178