Default product image

Square D QOB240 - 40A 2-Pole Circuit Breaker (10kA AIC)

Square D
Price
Save $431.92
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D QOB240 is a molded case circuit breaker designed for providing reliable overcurrent protection in single-phase electrical systems. It features a 40A current rating and a 120/240VAC voltage rating, housed within a compact 100A/QO frame with dimensions of 79 mm H x 38 mm W x 74 mm D (3.1 in x 1.5 in x 2.9 in). This thermal-magnetic breaker utilizes a bolt-on connection and pressure plate terminals compatible with 8 to 2 AWG copper or aluminum wire, and it is engineered to operate in temperatures from -25°C to 70°C (-13°F to 158°F). Compliant with CSA and UL standards, it offers a 10kA interrupting capacity at 120V for robust fault protection. Its primary application is for installation in Square D NQOD panelboards to safeguard branch circuits in commercial and light industrial environments.

Key Features & Specifications
  • Type: Molded Case, Standard, Thermal-Magnetic Protection with Long-Time and Instantaneous (LI) Trip
  • Voltage Rating: 120/240V AC
  • Current Rating: 40A
  • Frame Size: 100A/QO
  • Poles: 2
  • AIC Rating: 10kA @ 120V
  • Connection: Bolt-On
  • Terminal Connection: Pressure Plate
  • Wire Size: 8 AWG to 2 AWG (Copper or Aluminum)
  • Phase: 1
  • Dimensions: 79 mm H x 38 mm W x 74 mm D (3.1 in x 1.5 in x 2.9 in)
  • Weight: 0.62 lb
  • Temp Rating: -25°C to 70°C (-13°F to 158°F)
  • Standards: CSA, UL Listed
  • Panel Type: Square D NQOD Panelboards
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901416944
  • GTIN: 00785901416944