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Square D BGA34070Y - 70A 3-Pole Thermal Magnetic Breaker

Square D
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The Square D BGA34070Y is a Powerpact molded case circuit breaker designed for overcurrent protection in electrical distribution and industrial control panels. It is rated for 70A at 480V AC with an 18kA interrupting capacity, providing thermal-magnetic protection with long time and instantaneous trip functions. This three-pole breaker measures 5.4 in (137 mm) x 3.2 in (81 mm) x 3.5 in (89 mm) and weighs 3.79 lb, featuring an I-Line style plug-in connection with aluminum mechanical lugs on the load end and I-Line connection on the line end. It complies with CSA C22.2 No 5, EN/IEC 60947-2, GB 14048.2, UL 489, NMX J-266, NEMA AB1, and EN/IEC 60947-5-1 standards, with certifications including UL, IEC, CCC, EAC, CSA, and NOM. Typical applications include industrial control panels and electrical distribution equipment requiring reliable overcurrent protection in three-phase systems.

Key Features & Specifications
  • Type: Powerpact BGA Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 480V AC
  • Current Rating: 70A
  • Dimensions: 5.4 in (137 mm) x 3.2 in (81 mm) x 3.5 in (89 mm) (Height x Width x Depth)
  • Standards: CSA C22.2 No 5, EN/IEC 60947-2, GB 14048.2, UL 489, NMX J-266, NEMA AB1, EN/IEC 60947-5-1
  • Applications: Electrical Distribution Equipment, Industrial Control Panels
  • Switch Type: Standard Breaker
  • Configuration: 3-Pole, 3-Phase, Phase Connection ABC
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480V
  • Amperage: 70A
  • 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: I-Line Plug-In
  • Hz: Not specified
  • 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: 70A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: AWG 14...AWG 2/0 aluminium/copper
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Circuit Breaker Mounting Style: I-Line Plug-In
  • Terminal Connection: Al Mechanical Lug OFF End, I-Line ON End
  • Frequency Rating: Not specified
  • Phase Connection: ABC
  • Standards: CSA C22.2 No 5, EN/IEC 60947-2, GB 14048.2, UL 489, NMX J-266, NEMA AB1, EN/IEC 60947-5-1
  • Compatible Frames: 125A/BG
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: 125A/BG
  • Current Rating: 70A
  • 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: 785901069430
  • GTIN: 00785901069430