Default product image

Square D LJA36400U44X - Molded Case Circuit Breaker 400A 600V 3P

Square D
Price
Save $6,521.50
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D LJA36400U44X is a molded case circuit breaker designed for providing comprehensive LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection in three-phase industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, housed within a robust L Frame measuring 340 mm H x 140 mm W x 110 mm D and weighing 17 lb. The breaker is constructed with solid-state protection technology and an I-Line style plug-in connection with lug terminals compatible with AWG 3/0 to 500 kcmil aluminum or copper conductors. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, ensuring reliable operation in environments from -2 to 70 °C. Typical applications include main feeder and branch circuit protection in industrial panels and switchboards, offering an interrupting capacity of 65kA at 480V AC.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, L Frame, Solid State Protection, I-Line Plug-In
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 13.4 in (340 mm) H x 5.5 in (140 mm) W x 4.3 in (110 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Main Feeders, Branch Circuits
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Phase: 3
  • AIC Rating: 65kA @ 480V AC
  • Connection: I-Line Style Plug-In, Lug Terminal (AL600LF52K3)
  • Poles: 3
  • Protection: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Functions: LSIG Protection
  • Frame Size: L Frame
  • Wire Size: AWG 3/0 to 500 kcmil (Aluminum/Copper)
  • Certification: UL, CSA, NOM
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Weight: 17 lb
  • Family: Powerpact
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901805212
  • GTIN: 00785901805212