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Square D LHL363001037 - Molded Case 300A 3-Pole

Square D
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Square D LHL363001037 is a molded case circuit breaker from the LHL Series, designed for overcurrent protection in industrial and commercial power distribution systems. It is a 3-pole, 300A unit rated for 600VAC and 250VDC, featuring a thermal-magnetic trip unit with LI (Long-Time and Instantaneous) functions for overload and short circuit protection. The breaker has a depth of 17.75 in (450.85 mm), width of 36.62 in (930.15 mm), and height of 69.13 in (1755.90 mm), weighing 20 lb, with a feed-thru connection and a 277/480Vac shunt trip. It complies with UL 489, CSA, and IEC standards for safety and performance. This breaker is suited for mission-critical applications requiring dependable circuit protection in demanding electrical environments.

Key Features & Specifications
  • Type: LHL
  • Poles: 3
  • Rated Current: 300A
  • Voltage Rating: 600VAC, 250VDC
  • Interrupting Rating: 35kA @ 480VAC; 25kA @ 600VAC; 50kA @ 250VDC
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Connection: Feed-Thru
  • Dimensions: Depth 17.75 in (450.85 mm), Width 36.62 in (930.15 mm), Height 69.13 in (1755.90 mm)
  • Weight: 20 lb
  • Additional Info: complete with 277/480Vac shunt trip
  • Certifications: UL 489, CSA, IEC


Part Number: LHL363001037