BDA140203 - Square D 20A 1-Pole 480Y/277VAC PowerPact B Frame I-Line Circuit Breaker

BDA140203

BDA140203 is a Square D PowerPact B Frame circuit breaker providing 20 amps, 1 pole, and 480Y/277VAC thermal magnetic protection with an 18kA interrupt rating.

This molded case circuit breaker features I-Line mounting and dual rated AC/DC capability with multiple interrupt ratings up to 25kA at 240V. It meets UL 489 and other international certifications, designed for industrial and commercial electrical distribution applications.

Key Specifications
• Amperage: 20 Amps
• Poles: 1 Pole
• Voltage Rating: 480Y/277VAC
• Interrupt Rating: 18kA at 480Y/277VAC, 25kA at 240V
• Frame Type: PowerPact B Frame
• Mounting Type: I-Line
• Trip Unit: Thermal Magnetic
• UL Listing: UL 489
• Dual Rated AC/DC
• Compatible with 1, 2, 3 Pole I-Line configurations
• Certifications: UL, IEC, CSA, CCC, NOM, EAC

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Specifications

• Part Number: BDA140203
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : Powerpact
• Type : BDA
• Voltage : 480
• Amperage : 20
• Phase : 1
• Poles : 1
• AIC rating : 25kA@240V
• Connection : I-Line Style Plug-In
• Functions : Long Time and Instantaneous Trip
• Terminal Connection : I-Line, Lug
• Frame Size : D
• Temp Rating : -13–158 °F (-25–70 °C)
• MCM Size : Min. Wire Size 14 AWG (Cu/Al) Max. Wire Size 2/0 AWG (Cu/Al)
• Protection : Thermal Magnetic
• Phase Connection : B

Product Data

• UPC : 606481151516
• Country of Origin : Mexico
• Dimensions : 5.4 in (137 mm) x 1.06 in (27 mm) x 3.5 in (89 mm) (Height x Width x Depth)
• Weight : 1.75
• Standards : EN/IEC 60947-2, CSA C22.2 No 5, UL 489, NEMA AB1, NMX J-266, GB 14048.2, EN/IEC 60947-5-1
• Certification : UL, IEC, CCC, EAC, CSA, NOM
• Wire Size : AWG 14...AWG 2/0 aluminium/copper