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Square D QO1100AN - Miniature Circuit Breaker 100A (120/240VAC)

United Fuses
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Square D QO1100AN is a miniature circuit breaker designed for overload and short-circuit protection in residential and light commercial electrical systems. This single-pole breaker is rated for 120/240 VAC at 100 amps, with a 10 kAIC interrupting capacity, and features a thermal-magnetic trip mechanism for reliable overcurrent response. The unit weighs 5.19 lb and is constructed with a compact, plug-on design for easy installation in QO load centers. It complies with UL 489 and CSA standards, ensuring safe operation in branch circuit protection applications. Typical uses include main breaker panels, subpanels, and feeder circuits in homes and small businesses.

Key Features & Specifications
  • Type: Miniature circuit breaker, thermal-magnetic trip, plug-on mounting
  • Voltage Rating: 120/240 VAC
  • Current Rating: 100 A
  • Dimensions: Not specified
  • Standards: UL 489, CSA
  • Applications: Residential and light commercial branch circuit protection
  • Switch Type: Toggle
  • Configuration: Single-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 120/240 VAC
  • Amperage: 100 A
  • AIC rating: 10 kAIC
  • Connection: Plug-on
  • Poles: 1
  • Protection: Overload and short-circuit
  • Functions: Branch circuit protection
  • Frame Size: QO
  • Trip Type: Thermal-magnetic
  • Panel Type: QO load center
  • Breaker Type: Miniature
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Plug-on
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • 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
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not applicable
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not applicable
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 100 A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Toggle
  • Wire Size: Not specified
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: Not specified
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single-phase
  • Standards: UL 489, CSA
  • Compatible Frames: QO
  • Installation Type: Plug-on
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 100 A
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable
  • Weight: 5.19 lb


Product Identification
  • UPC: Not specified
  • GTIN: Not specified