BDA24040Y1 - Square D 40A 2-Pole Thermal Magnetic Circuit Breaker 480Y/277VAC I-Line Plug-In

BDA24040Y1

BDA24040Y1 is a Square D 2-pole thermal magnetic molded case circuit breaker rated for 40 amps and 480Y/277VAC voltage. This circuit breaker features an 18kA interrupting rating at 480 volts and uses an I-Line style plug-in connection. It includes long time and instantaneous trip functions for reliable protection. The breaker supports line and load lug terminal connections and accommodates wire gauges from AWG 14 to AWG 2/0 for aluminum or copper wiring. It meets multiple certifications including UL, CSA, CE, NEMA, and RoHS standards, and operates within a temperature range of -13 to 158 degrees Fahrenheit.

Key Specifications
• Manufacturer: Square D
• Part Number: BDA24040Y1
• Amperage: 40 Amps
• Voltage Rating: 480Y/277VAC
• Poles: 2
• Interrupting Rating: 18kAIC @ 480V
• Connection Type: I-Line Style Plug-In
• Trip Unit: Thermal Magnetic with Long Time and Instantaneous Trip
• Terminal Connection: Line and Load Lug
• Wire Gauge: AWG 14 to AWG 2/0 Aluminum/Copper
• Certifications: UL, CSA, CE, NEMA, RoHS, EN/IEC, CCC, NOM, EAC
• Operating Temperature: -13 to 158°F
• Color: Gray
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Specifications

• Part Number: BDA24040Y1
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : PowerPact B
• Type : BDA
• Voltage : 480
• Amperage : 40
• Phase : 1
• Poles : 2
• AIC rating : 18@480VAC
• Connection : I-Line
• Functions : Long Time and Instantaneous Trip
• Terminal Connection : Al Mechanical Lug OFF End, I-Line ON End
• Frame Size : 125A/BD
• Temp Rating : -13–158 °F (-25–70 °C)
• MCM Size : Min. Wire Size 14 AWG Max. Wire Size 2 AWG
• Breaker Type : Standard
• Protection : Thermal Magnetic
• Phase Connection : AB



Product Data

• UPC : 785901017073
• GTIN : 03606481151827
• Country of Origin : Mexico
• Dimensions : 5.4 in (137 mm) x 2.1 in (54 mm) x 3.5 in (89 mm) (Height x Width x Depth)
• Weight : 3.15
• Panel Type : Electrical Distribution Equipment, Industrial Control Panels
• Standards : NMX J-266, GB 14048.2, UL 489, CSA C22.2 No 5, EN/IEC 60947-2, EN/IEC 60947-5-1, NEMA AB1
• Certification : UL, IEC, CCC, EAC, CSA, NOM
• Wire Size : AWG 14...AWG 2/0 aluminium/copper