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Square D QO330GFI - Ground Fault Circuit Interrupter 30A 3-Pole

Square D
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Square D QO330GFI is a 3-pole molded case ground fault circuit interrupter (Class A - 5mA) designed for personnel and equipment protection against ground faults. This 30A breaker operates at 120/240V with a 10kA@240V AIC rating, featuring thermal-magnetic protection with long time and instantaneous functions. The unit measures 4.1 in (105 mm) x 2.2 in (57 mm) x 2.9 in (74 mm), weighs 1.36 lb, and uses a plug-in connection with pressure plate terminals accepting wire sizes from 14 AWG to 8 AWG copper or 12 AWG to 8 AWG aluminum. It is UL Listed and CSA certified, compliant with industry standards for QO load centers and NQ panelboards. This breaker is suitable for industrial applications requiring ground fault protection in 3-phase systems operating within a temperature range of -13 to 158 °F (-25 to 70 °C).

Key Features & Specifications
  • Type: QO Series Molded Case Ground Fault Circuit Interrupter (Class A - 5mA)
  • Voltage Rating: 120/240V
  • Current Rating: 30A
  • Dimensions: 4.1 in (105 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
  • Standards: CSA, UL Listed
  • Applications: Industrial 3-phase systems requiring ground fault protection
  • Switch Type: Thermal Magnetic
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: 4.1 in x 2.2 in x 2.9 in
  • Phase: 3
  • Voltage: 120/240V
  • Amperage: 30A
  • AIC rating: 10kA@240V
  • Connection: Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous
  • Frame Size: 100A/QO
  • Trip Type: Thermal Magnetic
  • Panel Type: QO Load Centers and NQ Panelboards
  • Breaker Type: Ground Fault Circuit Interrupter (Class A - 5mA)
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Min. Wire Size 12 AWG (Al), 14 AWG (Cu) Max. Wire Size 8 AWG
  • Metal Type: Not specified
  • Panel Style: QO
  • 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-In
  • Hz: 60 Hz (typical for QO)
  • 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: AWG 14, AWG 8 Copper, AWG 12, AWG 8 Aluminium
  • Amperage Maximum: 30A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: AWG 14, AWG 8 Copper, AWG 12, AWG 8 Aluminium
  • Certification: UL Listed
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Pressure Plate
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-Phase
  • Standards: CSA, UL Listed
  • Compatible Frames: QO
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: QO
  • Current Rating: 30A
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901218975
  • GTIN: 00785901218975