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Square D LH26400AB - 2-Pole 400A Molded Case Circuit Breaker (600V)

Square D
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Square D LH26400AB is a 2-pole, 400 amp molded case circuit breaker from Schneider Electric designed for primary power distribution protection in industrial panelboards and switchboards. It operates at 600V AC or 250V DC with a 35kA interrupting capacity at 480V AC, utilizing a thermal-magnetic trip unit for long-time and instantaneous (LI) fault protection. The unit features an I-Line style plug-in connection, measures 11 in (279.4 mm) x 6 in (152.4 mm) x 5.84 in (148.34 mm), and weighs 15.95 lb. It is UL and CSA certified, meeting rigorous safety standards for commercial and industrial environments. This circuit breaker is suitable for use in Class 655/660/670/830 I-Line panelboards and switchboards for reliable overcurrent protection.

Key Features & Specifications
  • Type: LH
  • Item Subcategory: Molded Case
  • Family: I-Line
  • Country of Origin: Mexico
  • Dimensions: 11 in (279.4 mm) x 6 in (152.4 mm) x 5.84 in (148.34 mm) (Height x Width x Depth)
  • Weight: 15.95 lb
  • Functions: LI - Long-Time and Instantaneous
  • Voltage Rating: 600V AC, 250V DC
  • Poles: 2
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • AIC rating: 35kA @ 480V, 65kA @ 240V, 25kA @ 600V
  • Phase: 1
  • Current Rating: 400A
  • Mounting Type: I-LINE
  • Series/Frame: Class 655/660/670/830
  • Trip Unit: Thermal-Magnetic
  • Certifications: UL, CSA
  • Application: Power Distribution


Product Identification
  • UPC: 785901358718
  • GTIN: 00785901358718