Square D QO324MB100 - Main Breaker Load Center 100A 120/240V
Square D QO324MB100 - Main Breaker Load Center 100A 120/240V

Square D QO324MB100 - Main Breaker Load Center 100A 120/240V

Square D
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Square D QO324MB100 is a main breaker load center designed for residential and light commercial power distribution, providing overcurrent protection and service disconnection. It is rated for 120/240V AC and 100A, with a single-phase, 3-wire configuration and a 22kA short-circuit current rating. The unit measures 29.8 inches in height, 14.3 inches in width, and 3.7 inches in depth, weighing 21.6 lb, and features a NEMA 1 enclosure with a galvanized steel construction for indoor use. It complies with UL 67 and CSA standards, ensuring safe and reliable operation. This panel is suitable for branch circuit protection in residential and light commercial applications, such as lighting and general-purpose outlets.

Key Features & Specifications
  • Type: Main breaker load center, indoor, NEMA 1
  • Voltage Rating: 120/240V AC
  • Current Rating: 100A
  • Dimensions: 29.8 in (758 mm) x 14.3 in (362 mm) x 3.7 in (95 mm) (Height x Width x Depth)
  • Weight: 21.6 lb
  • Standards: UL 67, CSA
  • Applications: Residential and light commercial power distribution
  • Phase: Single-phase
  • Amperage: 100A
  • AIC rating: 22kA
  • Connection: 3-wire
  • Poles: 1, 2, 3
  • Protection: Overcurrent
  • Functions: Main disconnect
  • Frame Size: 100A
  • Trip Type: Thermal-magnetic
  • Panel Type: Main breaker
  • Breaker Type: QO
  • Metal Type: Galvanized steel
  • Panel Style: Single-phase
  • Bus Type: Tin-plated copper
  • Enclosure: NEMA 1
  • Mounting: Surface or flush
  • Hz: 60 Hz
  • Wire Size: #14 to #2/0 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Screw-type
  • Frequency Rating: 60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 67, CSA
  • Installation Type: Indoor
  • Item QTY: 1
  • Breaker Frame: QO
  • Current Rating: 100A
  • Operating Temperature Maximum Celsius: 40°C
  • Country of Origin: United States


Product Identification
  • UPC: 785901751090