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Square D QO2100-70S - 2-Pole 100A Miniature Circuit Breaker (10kA)

United Fuses
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Square D QO2100-70S is a 2-pole miniature circuit breaker designed for overload and short-circuit protection in residential and light commercial load centers. It is rated for 100A at 120/240VAC with a 10kA interrupting capacity, featuring a thermal-magnetic trip mechanism for reliable overcurrent response. The breaker weighs 5.19 lb and is constructed with a compact, plug-on design for easy installation in QO-style panels. It complies with UL 489 and CSA C22.2 standards, ensuring safe operation in branch circuit applications. Typical uses include main or feeder protection in distribution panels, lighting circuits, and appliance loads.

Key Features & Specifications
  • Type: Miniature circuit breaker, thermal-magnetic, plug-on
  • Voltage Rating: 120/240VAC
  • Current Rating: 100A
  • Dimensions: Not specified
  • Standards: UL 489, CSA C22.2
  • Applications: Residential and light commercial load centers, branch circuit protection
  • Switch Type: Toggle
  • Configuration: 2-pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1-phase
  • Voltage: 120/240VAC
  • Amperage: 100A
  • AIC rating: 10kA
  • 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: Not specified
  • Panel Style: Not specified
  • 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 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not available
  • CPT: Not available
  • 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 specified
  • Amperage Maximum: 100A
  • 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: 1-phase
  • Standards: UL 489, CSA C22.2
  • 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 specified
  • 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


Product Identification
  • UPC: Not available
  • GTIN: Not available