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Square D BDA24050Y1 - Molded Case Circuit Breaker 50A 480V

Square D
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The Square D BDA24050Y1 is a 2-pole molded case circuit breaker from the PowerPact B family, designed to provide thermal-magnetic protection for electrical distribution equipment and industrial control panels. Rated at 50A and 480VAC with an 18kAIC interrupting capacity, it features a 125A/BD frame size and supports wire sizes from 14 AWG to 2/0 AWG aluminum or copper. This standard breaker measures 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) and weighs 2.91 lb, with an I-Line connection on the line end and aluminum mechanical lugs on the load end. It complies with multiple standards including UL 489, CSA C22.2 No 5, NEMA AB1, and IEC 60947-2, and is certified by UL, IEC, CCC, EAC, CSA, and NOM. Typical applications include single-phase electrical distribution systems requiring long-time and instantaneous trip functions, operating within a temperature range of -13°F to 158°F (-25°C to 70°C).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic Protection
  • Voltage Rating: 480VAC
  • Current Rating: 50A
  • Dimensions: 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) (Height x Width x Depth)
  • Standards: EN/IEC 60947-2, GB 14048.2, CSA C22.2 No 5, NEMA AB1, EN/IEC 60947-5-1, NMX J-266, UL 489
  • Applications: Electrical Distribution Equipment, Industrial Control Panels
  • Switch Type: Standard Breaker
  • Configuration: 2-Pole
  • Coil Voltage Maximum: N/A
  • Temp Rating: -13°F to 158°F (-25°C to 70°C)
  • Shipping Dimensions: N/A
  • Phase: 1
  • Voltage: 480V
  • Amperage: 50A
  • AIC rating: 18kA @ 480VAC
  • Connection: I-Line
  • Poles: 2
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: 125A/BD
  • Trip Type: Thermal Magnetic
  • Panel Type: Electrical Distribution Equipment, Industrial Control Panels
  • Breaker Type: Standard
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: Min. Wire Size 14 AWG, Max. Wire Size 2 AWG
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: N/A
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: N/A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: AWG 14...AWG 2/0 aluminium/copper
  • Certification: UL, IEC, CCC, EAC, CSA, NOM
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: Al Mechanical Lug OFF End, I-Line ON End
  • Frequency Rating: N/A
  • Phase Connection: AB
  • Standards: EN/IEC 60947-2, GB 14048.2, CSA C22.2 No 5, NEMA AB1, EN/IEC 60947-5-1, NMX J-266, UL 489
  • Compatible Frames: N/A
  • Installation Type: N/A
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: 125A/BD
  • Current Rating: 50A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 606481151851