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Schneider Electric LRD350 - Thermal Overload Relay 37-50A

Schneider Electric
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Schneider Electric LRD350 is a thermal overload relay designed for protecting three-phase motors from overcurrent conditions. It operates with a voltage rating of 600/690V AC and features an adjustable current setting range from 37 to 50 amps. The relay is constructed with a compact footprint measuring 70 mm x 55 mm x 123 mm (HxWxD) and a weight of 0.869 lb, built for durability in industrial environments. It complies with major international standards including EN/IEC, UL, CSA, and ATEX, ensuring reliable operation in a wide temperature range from -20 to 60 °C. Typical applications include integration into motor control centers and starter combinations for pumps, fans, and conveyors.

Key Features & Specifications
  • Type: Thermal overload relay, TeSys D family
  • Voltage Rating: 600/690V AC
  • Current Rating: Adjustable, 37 - 50 A
  • Dimensions: 70 mm H x 55 mm W x 123 mm D
  • Standards: EN/IEC, UL, CSA, GB/T, CCC, EAC, BV, RINA, DNV-GL, LROS, ATEX INERIS, UKCA
  • Applications: Motor protection for pumps, fans, conveyors
  • Relay Style: Thermal
  • Poles: 3
  • Aux Contacts: 1NO/1NC
  • Phase: 3
  • Temp Rating: -20 to 60 °C (28 to 158 °F)
  • Country of Origin: France


Product Identification
  • UPC: 785901811671
  • GTIN: 03389119215503