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Square D JLL36150 - Molded Case Circuit Breaker 150A 600V 3P

Square D
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Square D JLL36150 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 150A current rating and a 600V voltage rating, housed within a compact L-frame measuring 191 mm H x 104 mm W x 86 mm D and weighing 4.5 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection and is constructed for feed-thru connection with lug terminals compatible with wire sizes from 4 AWG to 4/0 AWG. It complies with major industry standards including UL, CSA, NEMA, and IEC 60947-2, and is rated for operation in ambient temperatures from -2 to 70 °C. This breaker is typically applied in panelboards and switchboards, offering an interrupting capacity of 100kA at 480V AC for robust system protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection, Long-Time & Instantaneous (LI) Trip Functions
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Frame Size: L
  • Poles: 3
  • Phase: 3
  • AIC Rating: 100kA @ 480V AC
  • Connection: Feed-Thru
  • Terminal Connection: Lug
  • Wire Size: 4 AWG to 4/0 AWG (Copper/Aluminum)
  • Dimensions: 7.5 in H (191 mm) x 4.09 in W (104 mm) x 3.4 in D (86 mm)
  • Weight: 4.5 lb
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Standards & Certification: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Family: Powerpact
  • Country of Origin: United States


Product Identification
  • UPC: 785901598756
  • GTIN: 00785901598756