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Square D PLM34120CU44A - 1200A 3-Pole Circuit Breaker (100kA AIC)

Square D
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The Square D PLM34120CU44A is a Powerpact P-frame molded case circuit breaker designed to provide comprehensive LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) protection for three-phase, 480VAC electrical systems with a 1200A current rating. It features a solid-state trip unit and a bolt-on connection with lug and terminal nut terminations, accommodating wire sizes from 4 x 3/0 AWG to 500 kcmil for both copper and aluminum conductors. The breaker is constructed to meet UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, ensuring reliable performance in demanding industrial and commercial applications such as main service entrances, distribution panels, and large motor control centers. Its robust design offers an interrupting capacity of 100kA at 480VAC within a compact footprint measuring 410.46 mm high by 210.06 mm wide by 204.47 mm deep and weighing 42 lb.

Key Features & Specifications
  • Type: PLM Series Molded Case Circuit Breaker with Solid-State LSIG Protection
  • Voltage Rating: 480V AC
  • Current Rating: 1200A
  • Dimensions: 410.46 mm H x 210.06 mm W x 204.47 mm D (16.16 in x 8.27 in x 8.05 in)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Main Service Entrances, Distribution Panels, Motor Control Centers
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole
  • Phase: 3
  • AIC Rating: 100kA @ 480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Solid State
  • Functions: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Frame Size: P
  • Terminal Connection: Lug, Terminal Nut
  • Wire Size: 4 x AWG 3/0...500 kcmil (Cu/Al)
  • Certification: UL, CSA, NOM
  • Weight: 42 lb
  • MCM Size: Min. 4 x 3/0 AWG, Max. 500 kcmil (Cu/Al)
  • Country of Origin: Mexico
  • Family: Powerpact


Product Identification
  • UPC: 785901779186
  • GTIN: 00785901779186