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Square D JGL36250U43X - 250A 3-Pole Molded Case (600V LSI Protection)

Square D
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Square D JGL36250U43X Circuit Breaker - 250A 3-Pole Molded Case (600V LSI Protection) The Square D JGL36250U43X is a Powerpact JGL molded case circuit breaker designed for reliable overcurrent protection in industrial and commercial power distribution systems. This 3-pole, 600V, 250A unit features solid-state LSI (Long-Time, Short-Time, and Instantaneous) trip functions with a Micrologic ammeter for precise protection coordination. The breaker measures 7.5 in (191 mm) in height, 4.09 in (104 mm) in width, and 3.4 in (86 mm) in depth, weighs 5 lb, and is constructed with feed-through mounting and box lug terminals accepting AWG 3/0 to 350 kcmil aluminum or copper wire. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with a 35kA interrupting rating at 480V and an operating temperature range of 28 to 158 °F (-2 to 70 °C). This circuit breaker is suitable for reverse-fed applications and is commonly used in panelboards, switchboards, and motor control centers requiring adjustable trip settings and current-limiting performance.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Series: Powerpact JGL
  • Item Subcategory: Molded Case
  • Current Rating: 250A
  • Voltage Rating: 600V AC
  • Poles: 3
  • Phase: 3
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Protection: Solid State
  • Trip Unit: Micrologic Ammeter
  • Connection: Feed-Thru
  • Mounting Type: Feed-Through
  • Terminal Type: Line & Load Side Lug
  • Connection: Box Lug
  • Wire Size: AWG 3/0...350 kcmil aluminium/copper terminals
  • Interrupt Rating: 35kA @ 480V
  • AIC rating: 35kA@480V
  • Frame: J Frame
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Application: Suitable for reverse fed
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Dimensions: 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
  • Weight: 5 lb
  • Country of Origin: United States


Product Identification
  • UPC: 785901983903
  • Part Number: JGL36250U43X