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Square D LDA36250U31X - Molded Case Circuit Breaker 250A 600V 3-Pole

Square D
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Square D LDA36250U31X is a Powerpact L series molded case circuit breaker designed for overload and short circuit protection in commercial and industrial power distribution systems. This 3-pole, 250A unit operates at a voltage rating of 600VAC with an AIC rating of 18kA at 480V and features a solid-state trip unit providing long time and instantaneous trip functions. The breaker measures 13.4 in (340 mm) in height, 5.5 in (140 mm) in width, and 4.3 in (110 mm) in depth, weighs 17 lb, and utilizes I-Line style plug-in connection with lug terminals for AWG 2 to 600 kcmil copper or AWG 2 to 500 kcmil aluminum wire. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with certifications from UL, CSA, and NOM. Typical applications include use in switchboards, panelboards, and motor control centers within industrial facilities and commercial buildings.

Key Features & Specifications
  • Type: LDA
  • Family: Powerpact
  • Frame Size: L Frame
  • Current Rating: 250A
  • Voltage Rating: 600V
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Protection: Solid State
  • Functions: Long Time and Instantaneous Trip
  • Connection: I-Line Style Plug-In
  • Terminal Connection: I-Line, Lug
  • Wire Size: AWG 2...600 kcmil copper / AWG 2...500 kcmil aluminium
  • Dimensions: 13.4 in (340 mm) x 5.5 in (140 mm) x 4.3 in (110 mm) (Height x Width x Depth)
  • Weight: 17 lb
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Country of Origin: United States


Product Identification
  • UPC: 606486283700
  • GTIN: 03606490000000