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Square D QOH2100 - Molded Case 100A 2-Pole 240V

Square D
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Square D QOH2100 is a 2-pole, 100A molded case circuit breaker from the QO Series, designed for thermal-magnetic overcurrent protection in residential and commercial load centers. It operates at 240V with a 42kA interrupting capacity and supports wire sizes from 4 AWG to 2/0 AWG (copper/aluminum) via box lug terminals. Measuring 3.5 in x 2.2 in x 2.9 in (89 mm x 57 mm x 74 mm) and weighing 0.72 lb, this plug-in breaker features long-time and instantaneous trip functions for reliable fault clearing. It is UL Listed and CSA certified, with an operating temperature range of -13°F to 158°F (-25°C to 70°C), making it suitable for single-phase branch circuit protection in panelboards and distribution equipment.

Key Features & Specifications
  • Type: QOH Molded Case Circuit Breaker
  • Voltage Rating: 240V
  • Current Rating: 100A
  • Dimensions: 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (H x W x D)
  • Standards: UL Listed, CSA
  • Applications: Branch circuit protection in residential and commercial load centers
  • Switch Type: Standard
  • Configuration: 2-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: N/A
  • Phase: 1
  • Voltage: 240V
  • Amperage: 100A
  • AIC rating: 42kA@240V
  • Connection: Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous Trip
  • Frame Size: QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers
  • Breaker Type: Standard
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: Min. Wire Size 4 AWG (Cu/Al) Max. Wire Size 2/0 AWG (Cu/Al)
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Plug-In
  • Hz: 50/60
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 100A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: AWG 4 to AWG 2/0, Copper/Aluminum
  • Certification: UL Listed, CSA
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Box Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single Phase
  • Standards: UL Listed, CSA
  • Compatible Frames: QO
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: QO
  • Current Rating: 100A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 785901054870
  • GTIN: 00785901054870