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Square D QO2000 - Molded Case Main Disconnect (100A, 240V, 2-Pole)

Square D
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Square D QO2000 is a molded case circuit breaker designed for providing a main disconnect function in single-phase electrical systems. It features a 100A current rating and a 240V AC voltage rating, housed within a compact plug-in unit measuring 3.5 in (89 mm) H x 1.5 in (38 mm) W x 2.9 in (74 mm) D and weighing 0.67 lb. This non-automatic, two-pole device is constructed for compatibility with copper or aluminum conductors from AWG 4 to 2/0 and offers an interrupting capacity of 10kA at 240V. It is engineered for integration into QO series load centers to meet standard residential and light commercial electrical service entrance requirements.

Key Features & Specifications
  • Type: Molded Case, Non-Automatic, Main Disconnect
  • Voltage Rating: 240V AC
  • Current Rating: 100A
  • Dimensions: 3.5 in H x 1.5 in W x 2.9 in D (89 mm x 38 mm x 74 mm)
  • Standards: Designed for UL compliance in QO panels
  • Applications: Main service disconnect in residential/light commercial load centers
  • Switch Type: Non-Automatic
  • Configuration: Plug-In
  • Phase: 1
  • AIC Rating: 10kA @ 240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Non-Automatic Disconnect
  • Functions: Main Circuit Disconnect (No Overcurrent Protection)
  • Wire Size: AWG 4 to AWG 2/0, Copper or Aluminum
  • Weight: 0.67 lb


Product Identification
  • UPC: 078590112059
  • GTIN: 00785901120599