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Square D LDL36250U33X - Molded Case Circuit Breaker 250A 600V 3P

Square D
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The Square D LDL36250U33X is a Powerpact L-Frame molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection for three-phase industrial power distribution systems. It features a solid-state trip unit with Long-Time, Short-Time, and Instantaneous (LSI) protection functions, rated for 250A at 600V with an interrupting capacity of 18kA at 480V. The unit is constructed with a robust lug terminal connection for feed-thru wiring, accommodating conductors from AWG 2 to 600 kcmil copper or 500 kcmil aluminum, and is housed in a compact enclosure measuring 340 mm H x 140 mm W x 110 mm D (13.4" x 5.5" x 4.3") with a weight of 15 lb. It is engineered for compliance with UL, CSA, NEMA, NOM, and IEC 60947-2 standards, ensuring suitability for a wide range of industrial and commercial applications, including panelboards and switchboards, within an operating temperature range of -2 to 70 °C (28 to 158 °F).

Key Features & Specifications
  • Type: Powerpact L-Frame Molded Case Circuit Breaker with Solid-State LSI Trip Unit
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 340 mm H x 140 mm W x 110 mm D (13.4 in x 5.5 in x 4.3 in)
  • Weight: 15 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Applications: Industrial power distribution, panelboards, switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • Amperage: 250A
  • AIC Rating: 18kA @ 480V
  • Connection: Feed-Thru
  • Terminal Connection: Lug
  • Poles: 3
  • Protection: Solid State Trip (LSI)
  • Functions: Long-Time, Short-Time, Instantaneous Trip
  • Frame Size: L Frame
  • Wire Size: AWG 2 to 600 kcmil copper; AWG 2 to 500 kcmil aluminum
  • Country of Origin: United States


Product Identification
  • UPC: 785901978398
  • GTIN: 00785901978398