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Square D QDA220901 - Molded Case Circuit Breaker 90A 240V

Square D
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Square D QDA220901 is a 2-pole, 90A molded case circuit breaker from the I-Line family, designed for thermal magnetic protection with long-time and instantaneous (LI) trip functions. It is rated for 240V AC, 1-phase operation, with an interrupting capacity of 25kA at 240V, and operates within a temperature range of -13 to 158 °F (-25 to 70 °C). The breaker measures 6.47 in (164.34 mm) in height, 3 in (76.2 mm) in width, and 3.93 in (99.82 mm) in depth, weighs 4.773 lb, and features an I-Line style plug-in connection within a Q Frame. It complies with UL, CSA, NEMA, and NOM-003-SCFI-2000 standards, carrying certifications from UL, CSA, and NOM. This unit is suitable for industrial panelboard applications requiring reliable overcurrent protection in single-phase systems.

Key Features & Specifications
  • Type: Molded Case, Thermal Magnetic, LI (Long-Time and Instantaneous) Trip
  • Voltage Rating: 240V
  • 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: Industrial panelboard overcurrent protection
  • Switch Type: Circuit Breaker
  • Configuration: 2-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 240V
  • Amperage: 90A
  • AIC rating: 25kA@240V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Q Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: I-Line
  • Bus Type: I-Line
  • 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-In
  • Hz: 50/60 Hz (assumed for 240V)
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 90A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 90A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 90A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Circuit Breaker
  • Wire Size: Not specified
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz (assumed)
  • Phase Connection: 1-Phase
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000
  • Compatible Frames: Q Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Q Frame
  • Current Rating: 90A
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 078590183280
  • GTIN: 00785901832805