Default product image

Square D LLA36400U31X - 400A 3P Molded Case Breaker (100kA AIC)

Square D
Price
Save $138.96
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
The Square D LLA36400U31X 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 LI (Long-time and Instantaneous) trip unit with a 400A current rating and a 600V voltage rating, housed in a compact plug-in I-Line style frame measuring 340 mm H x 140 mm W x 110 mm D and weighing 18.21 lb. This unit is engineered for compliance with UL, CSA, NEMA, and IEC 60947-2 standards and is rated for operation in ambient temperatures from -2 to 70 °C. Its 100kA interrupting capacity at 480V and lug terminals compatible with 3/0 AWG to 500 kcmil aluminum or copper conductors make it suitable for demanding applications in commercial and industrial panelboards and switchgear.

Key Features & Specifications
  • Type: Powerpact L-Frame Molded Case Circuit Breaker with Solid-State LI Trip Unit
  • 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 & Commercial Power Distribution, Panelboards, Switchgear
  • Switch Type: Circuit Breaker
  • Configuration: Plug-In
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • Amperage: 400A
  • AIC rating: 100kA @ 480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LI (Long-Time and Instantaneous)
  • Frame Size: L
  • Terminal Connection: I-Line, Lug
  • Wire Size: 3/0 AWG to 500 kcmil (Aluminum/Copper)
  • Certification: UL, CSA, NOM
  • Phase Connection: ABC
  • Weight: 18.21 lb


Product Identification
  • UPC: 785901401308
  • GTIN: 00785901401308