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Square D LAL3640022M - Molded Case Circuit Breaker 400A 600V 3P

Square D
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Square D LAL3640022M is a molded case circuit breaker designed for providing instantaneous magnetic-only protection against short-circuit faults in three-phase industrial power distribution systems. It features a 400A current rating and a 600V voltage rating, housed in a compact, feed-thru connection design measuring 279.4 mm in height, 152.4 mm in width, and 148.34 mm in depth with a weight of 16.51 lb. The unit is certified to IEC, UL, and CSA standards and offers an interrupting capacity of 30kA at 480V AC. Its robust construction and specific trip function make it suitable for protecting feeders and branch circuits in panelboards and switchboards where selective coordination is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, LAL Series, Instantaneous Trip (Magnetic Only)
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • Dimensions: 11 in (279.4 mm) H x 6 in (152.4 mm) W x 5.84 in (148.34 mm) D
  • Standards: IEC, UL, CSA Certified
  • Applications: Industrial power distribution, panelboard and switchboard protection
  • Switch Type: Circuit Breaker
  • Configuration: Fixed
  • Phase: 3
  • Poles: 3
  • AIC rating: 30kA @ 480V AC
  • Connection: Feed-Thru
  • Protection: Magnetic Only
  • Functions: Instantaneous Trip
  • Frame Size: LAL
  • Trip Type: Magnetic Instantaneous
  • Weight: 16.51 lb


Product Identification
  • UPC: 078590184837
  • GTIN: 00785901848370