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Square D BGA34030Y - 30A 3-Pole Molded Case Breaker

Square D
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Square D BGA34030Y is a 3-pole molded case circuit breaker from the Powerpact family, designed for thermal-magnetic protection of electrical distribution equipment and industrial control panels. It is rated for 30A at 480V AC with an 18kA interrupting capacity, featuring a 125A/BG frame size and I-Line style plug-in connection with aluminum mechanical lugs on the load end and I-Line connection on the line end. The breaker measures 5.4 in x 3.2 in x 3.5 in (137 mm x 81 mm x 89 mm), weighs 3.79 lb, and accepts wire sizes from 14 AWG to 2/0 AWG aluminum or copper. It complies with UL 489, CSA C22.2 No 5, EN/IEC 60947-2, NEMA AB1, and other international standards, with certifications including UL, CSA, IEC, CCC, EAC, and NOM. This breaker is suitable for use in electrical distribution panels and industrial control systems requiring reliable overcurrent protection in three-phase ABC phase connection configurations.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 480V AC
  • Current Rating: 30A
  • Dimensions: 5.4 in (137 mm) x 3.2 in (81 mm) x 3.5 in (89 mm) (H x W x D)
  • Standards: UL 489, GB 14048.2, EN/IEC 60947-5-1, NEMA AB1, EN/IEC 60947-2, NMX J-266, CSA C22.2 No 5
  • Applications: Electrical Distribution Equipment, Industrial Control Panels
  • Switch Type: I-Line Style Plug-In
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480V
  • Amperage: 30A
  • AIC rating: 18kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 125A/BG
  • Trip Type: Thermal Magnetic
  • Panel Type: Electrical Distribution Equipment, Industrial Control Panels
  • Breaker Type: Standard
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Min. Wire Size 14 AWG, Max. Wire Size 2 AWG
  • 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-In
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 14...AWG 2/0 aluminium/copper
  • Amperage Maximum: 30A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: I-Line
  • Wire Size: AWG 14...AWG 2/0 aluminium/copper
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: Al Mechanical Lug OFF End, I-Line ON End
  • Frequency Rating: 50/60 Hz
  • Phase Connection: ABC
  • Standards: UL 489, GB 14048.2, EN/IEC 60947-5-1, NEMA AB1, EN/IEC 60947-2, NMX J-266, CSA C22.2 No 5
  • Compatible Frames: 125A/BG
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 125A/BG
  • Current Rating: 30A
  • 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: 785901068945
  • GTIN: 00785901067788