Default product image

Square D LLD36400CU44X - Molded Case Breaker 400A 600V (3-Pole LSIG)

Square D
Price
Save $11,163.91
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D LLD36400CU44X is a Powerpact L Frame molded case circuit breaker designed for primary protection of electrical distribution systems against overloads and short circuits. This 3-pole, 400A unit is rated for 600VAC and features a solid-state MicroLogic 6.3A trip unit with LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection functions, along with a 100kA interrupting capacity at 480V. The draw-out connection type and unit mount installation are housed in a compact enclosure measuring 4.33 inches deep, 5.51 inches wide, and 13.39 inches high, weighing 20 lb. It is UL 489 listed, ensuring compliance with rigorous industry safety standards for industrial circuit protection. This breaker is typically applied in commercial and industrial power distribution panels, switchboards, and motor control centers requiring reliable, adjustable protection.

Key Features & Specifications
  • Manufacturer: Square D
  • Model: LLD36400CU44X
  • Item Subcategory: Molded Case
  • Family: Powerpact
  • Type: LLD
  • Dimensions: Depth 4.33 in (110 mm) Width 5.51 in (140 mm) Height 13.39 in (340 mm)
  • Weight: 20 lb
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Draw-Out
  • Protection: Solid State
  • AIC rating: 100kA@480V
  • Phase: 3
  • Current Rating: 400A
  • Amperage: 400A
  • Voltage: 600VAC
  • Frame: L Frame
  • Interrupt Rating: 14kA
  • Trip Unit: MicroLogic 6.3A
  • Mounting Type: Unit Mount
  • Connection Type: Lugs
  • Certifications: UL 489 Listed
  • Series: PowerPacT L