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Square D LAP363001127 - Molded Case Circuit Breaker 300A 600V 3-Pole

Square D
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Square D LAP363001127 is a 300A molded case circuit breaker designed for overload and short circuit protection in industrial power distribution systems. This three-pole, 600V unit utilizes a thermal-magnetic trip mechanism with LI (Long-Time and Instantaneous) functions to safeguard 3-phase electrical circuits. The breaker features bolt-on I-Line plug-in mounting with J-frame construction, weighing 20 lb, and provides a 30kA interrupting rating at 480VAC. It is certified to UL 489, CSA, and IEC standards, ensuring reliable performance in demanding environments. Typical applications include motor control centers, panelboards, and switchboards requiring robust branch circuit protection.

Key Features & Specifications
  • Type: LAP
  • Current Rating: 300A
  • Voltage Rating: 600V AC
  • Poles: 3
  • Phase: 3 (ABC)
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Interrupt Rating: 30kA @ 480V, 22kA @ 600VAC
  • Mounting Type: I-Line plug-in (Bolt-On)
  • Frame Type: J-Frame
  • Weight: 20 lb
  • Dimensions: 11" H x 6" W x 5.84" D
  • Certifications: UL 489, CSA, IEC
  • Magnetic Hold Current: 1500 Amps


LAP363001127