Square D QOB2100VH1021 - 100A 2-Pole Bolt-On Circuit Breaker (240VAC)
Square D QOB2100VH1021 - 100A 2-Pole Bolt-On Circuit Breaker (240VAC)

Square D QOB2100VH1021 - 100A 2-Pole Bolt-On Circuit Breaker (240VAC)

Square D
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Square D QOB2100VH1021 is a 2-pole, 100A bolt-on molded case circuit breaker from the QOB Series, designed to provide thermal-magnetic protection for branch circuits in commercial and industrial power distribution systems. It operates at 120/240VAC with a 22kA interrupting capacity at 240V, supporting wire sizes from AWG 4 to AWG 2/0 (copper/aluminum) via pressure plate terminals. This unit measures 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm), weighs 1 lb, and features long-time and instantaneous trip functions for overload and short-circuit protection. It is UL Listed and CSA certified, with an operating temperature range of -13°F to 158°F (-25°C to 70°C), making it suitable for single-phase panelboards and load centers in industrial environments.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic, Bolt-On
  • Voltage Rating: 120/240VAC
  • Current Rating: 100A
  • Dimensions: 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (H x W x D)
  • Standards: UL Listed, CSA
  • Applications: Branch circuit protection in commercial and industrial panelboards
  • Poles: 2
  • Connection: Bolt-On
  • AIC Rating: 22kA@240V
  • Phase: 1
  • Wire Size: AWG 4 to AWG 2/0, Copper/Aluminum
  • Terminal Connection: Pressure Plate
  • Functions: Long-Time and Instantaneous Trip
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Weight: 1 lb
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901810001