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Square D QO2302100 - 2-Pole 100A Circuit Breaker (120/240V AC)

Square D
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Square D QO2302100 is a 2-pole, 100A QO series miniature circuit breaker designed for overload and short-circuit protection in residential and commercial load centers. It operates at 120/240V AC with a 10kA interrupting rating at 240V AC, providing reliable branch circuit protection. The breaker measures 3.0 in (76 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) and weighs 0.93 lb, featuring a compact plug-on design for easy installation in QO panels. It complies with UL 489 and CSA standards, ensuring safe and consistent performance. Typical applications include lighting, appliance, and general-purpose circuits in panelboards and load centers.

Key Features & Specifications
  • Type: QO miniature circuit breaker, thermal-magnetic trip, plug-on mounting
  • Voltage Rating: 120/240V AC
  • Current Rating: 100A
  • Dimensions: 3.0 in (76 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (H x W x D)
  • Standards: UL 489, CSA C22.2 No. 5
  • Applications: Residential and commercial load centers, lighting, appliance, and general-purpose circuits
  • Switch Type: Toggle
  • Configuration: 2-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 3.0 in x 2.2 in x 2.9 in
  • Phase: 1-phase
  • Voltage: 120/240V AC
  • Amperage: 100A
  • AIC rating: 10kA at 240V AC
  • Connection: Plug-on
  • Poles: 2
  • Protection: Overload and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Panel Type: QO load centers
  • Breaker Type: Miniature circuit breaker
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Copper alloy contacts
  • Panel Style: QO
  • Bus Type: Plug-on
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-on
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not applicable
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: 100A
  • Dist Voltage: 120/240V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 100A
  • Full Load Amp Minimum: 100A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 100A
  • Amperage Minimum: 100A
  • Nema Rating: Not applicable
  • Switch Style: Toggle
  • Wire Size: #14 AWG to #2/0 AWG
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 1-phase
  • Standards: UL 489, CSA C22.2 No. 5
  • Compatible Frames: QO
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 100A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901123456
  • GTIN: 00785901123456