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Square D LAL34400MC - Molded Case 400A 480V 3-Pole

Square D
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Square D LAL34400MC is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This three-pole, 400A breaker operates at 480VAC with a 30kA interrupting capacity, utilizing thermal magnetic protection for long-time and instantaneous fault response. The L Frame unit measures 11 inches in height, 4.44 inches in width, and 3.09 inches in depth, weighing 15.805 lb, with a feed-thru connection configuration. It complies with UL and NEMA standards for industrial electrical safety and reliability. Typical applications include main or branch circuit protection in manufacturing facilities, commercial buildings, and heavy machinery panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LAL Series, Thermal Magnetic
  • Voltage Rating: 480V
  • Current Rating: 400A
  • Dimensions: Height 11 in (279.40 mm) x Depth 3.09 in (78.49 mm) x Width 4.44 in (112.78 mm)
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, main or branch circuit protection
  • Switch Type: Feed-Thru
  • Configuration: 3-Pole
  • Phase: 3
  • AIC rating: 30kA@480V
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: L Frame
  • Trip Type: Thermal Magnetic
  • Breaker Type: LAL
  • Weight: 15.805 lb
  • Country of Origin: Mexico


Product Identification
  • GTIN: 00785901916062