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Square D QDA220902 - Molded Case Circuit Breaker 90A 240V

Square D
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Square D QDA220902 is a 2-pole molded case circuit breaker designed for overcurrent protection in I-Line panelboards. It is rated for 240V AC, 90A, with a 25kA interrupting capacity at 240V, and features thermal magnetic protection with LI (Long-Time and Instantaneous) trip functions. The breaker measures 6.47 in (164.34 mm) x 3 in (76.2 mm) x 3.93 in (99.82 mm) and weighs 4.773 lb, with a lug terminal connection accepting wire sizes from 4 AWG to 300 MCM. It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, and is certified for use in single-phase AC systems. This unit is suitable for industrial applications requiring reliable circuit interruption in I-Line panelboard installations.

Key Features & Specifications
  • Type: Molded Case, Standard, Thermal Magnetic, Plug In Panelboard
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Dimensions: 6.47 in (164.34 mm) x 3 in (76.2 mm) x 3.93 in (99.82 mm) (Height x Width x Depth)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Applications: I-Line panelboard installations for industrial overcurrent protection
  • Switch Type: Not specified
  • Configuration: 2 Pole, 1 Phase
  • Coil Voltage Maximum: Not specified
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 240V
  • Amperage: 90A
  • AIC rating: 25kA@240V
  • Connection: Plug In Panelboard
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 250A/QD
  • Trip Type: Thermal Magnetic
  • Panel Type: I Line Panelboards
  • Breaker Type: Standard
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Min. Wire Size 4 AWG Max. Wire Size 300 MCM
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Plug In
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 90A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: 4 AWG to 300 MCM
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Plug In
  • Terminal Connection: Lug
  • Frequency Rating: Not specified
  • Phase Connection: AC
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Compatible Frames: QD
  • Installation Type: Panelboard
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: 250A/QD
  • Current Rating: 90A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 785901832812
  • GTIN: 00785901832812