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Square D HDA36150U44XAABC - Molded Case 150A 600V LSIG

Square D
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The Square D HDA36150U44XAABC is a 3-pole molded case circuit breaker designed for primary overcurrent and ground fault protection in industrial power distribution systems. It is rated for 600V AC, 150A continuous current, and features a solid-state trip unit with LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault) protection functions. This unit weighs 10.27 lb and utilizes an I-Line style plug-in connection for direct mounting on Square D panelboards and switchboards. The breaker complies with applicable UL and NEMA standards, carrying an interrupting capacity of 18kA at 480V AC. It is suited for three-phase commercial and industrial applications requiring selective coordination and ground fault protection.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip
  • Voltage Rating: 600V AC
  • Current Rating: 150A
  • Poles: 3
  • Phase: 3
  • AIC Rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Protection: LSIG (Long-Time, Short-Time, Instantaneous and Ground Fault)
  • Weight: 10.27 lb
  • Functions: LSIG
  • Breaker Frame: HDA
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Standards: UL, NEMA
  • Installation Type: Panelboard/Switchboard


Product Identification
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