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Square D QBM32125TN - Molded Case Breaker 125A 3P (10kA AIC)

Square D
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Square D QBM32125TN 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 125A current rating and a 240V AC voltage rating, housed within a compact Q Frame measuring 164.34 mm H x 114.3 mm W x 99.82 mm D and weighing 4.6 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection, offers a 10kA interrupting capacity at 240V, and is compliant with UL, CSA, NEMA, and NOM standards. Its bolt-on connection and compatibility with AWG 4 to 300 kcmil conductors make it suitable for panelboards, switchboards, and industrial control panels.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, Bolt-On Connection
  • Voltage Rating: 240V AC
  • Current Rating: 125A
  • Dimensions: 6.47 in (164.34 mm) H x 4.5 in (114.3 mm) W x 3.93 in (99.82 mm) D
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Phase: 3
  • AIC Rating: 10kA @ 240V
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: Q Frame
  • Connection: Bolt-On
  • Wire Size: AWG 4 to 300 kcmil (Aluminium/Copper)
  • Certification: UL, CSA, NOM
  • Family: Powerpact
  • Country of Origin: Mexico
  • Weight: 4.6 lb


Product Identification
  • UPC: 785901690054
  • GTIN: 00785901690054