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Square D QOM2100VH - Main Breaker 100A 22kA (1-Phase)

Square D
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Square D QOM2100VH is a molded case circuit breaker designed to provide main circuit protection and isolation in residential and light commercial electrical panels. It features a 100A current rating and a 120/240V AC voltage rating for single-phase systems, with a compact bolt-on design measuring 142 mm H x 91 mm W x 129 mm D and a weight of 2.65 lb. Constructed with a thermal-magnetic trip unit providing long-time and instantaneous (LI) protection, it offers a 22kA interrupting capacity at 240V and operates within a temperature range of -25 to 70 °C. This UL Listed and CSA certified main breaker is compatible with Homeline and QO load centers and accepts copper or aluminum conductors from 4 AWG to 300 kcmil via its lug terminals.

Key Features & Specifications
  • Type: Molded Case, Main Circuit Breaker, Thermal-Magnetic Protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 100A
  • Dimensions: 5.6 in H (142 mm) x 3.6 in W (91 mm) x 5.08 in D (129 mm)
  • Standards: UL Listed, CSA Certified
  • Applications: Main circuit protection for Homeline and QO load centers
  • Switch Type: Circuit Breaker
  • Configuration: Bolt-On
  • Temp Rating: -25 to 70 °C (-13 to 158 °F)
  • Phase: 1
  • AIC Rating: 22kA @ 240V
  • Connection: Bolt-On, Lug Terminal
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip (LI)
  • Frame Size: 100A/QO
  • Panel Type: Homeline Load Center, QO Load Center
  • Breaker Type: Main Breaker
  • MCM Size: 4 AWG to 300 kcmil
  • Wire Size: AWG 4 to 300 kcmil, Aluminum/Copper
  • Certification: UL Listed


Product Identification
  • UPC: 785901021957
  • GTIN: 00785901021957