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Square D QO2100C - Molded Case 100A 2-Pole Breaker

Square D
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Square D QO2100C is a molded case circuit breaker designed for overload and short-circuit protection in residential and commercial electrical systems. It is rated for 120/240 VAC at 100 A, with a 10 kA interrupting capacity at 240 VAC, and features a compact 1.5-inch width for installation in QO load centers. The breaker is constructed with a thermoplastic housing and a thermal-magnetic trip mechanism, ensuring reliable performance under standard conditions. It complies with UL 489 and CSA C22.2 standards, making it suitable for branch circuit protection in lighting, appliance, and general-purpose industrial applications.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, plug-on mounting
  • Voltage Rating: 120/240 VAC
  • Current Rating: 100 A
  • Dimensions: 3.5 in (89 mm) x 1.5 in (38 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Weight: 0.75 lb
  • Standards: UL 489, CSA C22.2
  • Applications: Branch circuit protection in residential and commercial load centers
  • Poles: 2
  • Phase: 1
  • AIC Rating: 10 kA at 240 VAC
  • Connection: Plug-on
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Breaker Type: QO
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Installation Type: Plug-on
  • Breaker Frame: QO
  • Current Rating: 100 A
  • Country of Origin: Mexico


Product Identification
  • UPC: 78590150130
  • GTIN: 785901691235