JJA36250U43X - Square D 250A 3P 600V Molded Case Circuit Breaker MicroLogic 5.2A LSI Electronic Trip

JJA36250U43X

JJA36250U43X is a Square D PowerPact J molded case circuit breaker designed for reliable protection in commercial and industrial applications. This 3-pole, 250A, 600V breaker features a MicroLogic 5.2A electronic trip unit with LSI (Long-Time, Short-Time, Instantaneous) protection, current limiting, and ammeter functionality. It is suitable for I-Line plug-in panelboards and offers high interrupt ratings for robust performance. Engineered for durability and safety, the JJA36250U43X is UL, CSA, and CE listed, and supports reverse connection. Its electronic trip technology provides precise overload and short-circuit protection, making it ideal for demanding electrical environments.

• Part Number: JJA36250U43X
• Manufacturer: Square D
• Series/Frame: PowerPact J, JJA Frame
• Amperage: 250A
• Voltage: 600V AC
• Poles: 3P
• Mounting Type: I-Line Plug-In
• Interrupt Rating: 25kA @ 600V, 65kA @ 480V, 100kA @ 240V
• Protection Type: Overload and Short-Circuit
• Electronic Trip Unit: MicroLogic 5.2A, LSI
• Current Limiting: Yes
• Certifications: UL, CSA, CE

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Specifications

• Part Number: JJA36250U43X
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : Powerpact
• Type : JJA
• Voltage : 600
• Amperage : 250
• Phase : 3
• Poles : 3
• AIC rating : 65kA@480V
• Connection : I-Line Style Plug-In
• Functions : LSI - Long Time, Short Time and Instantaneous Trip
• Terminal Connection : I-Line, Lug
• Frame Size : J
• Temp Rating : -13–158 °F (-25–70 °C)
• MCM Size : Min. Wire Size 3/0 AWG (Cu/Al) Max. Wire Size 350 kcmil (Cu/Al)
• Protection : Solid State

Product Data

• UPC : 785901084280
• GTIN : 00785901084280
• Country of Origin : United States
• Dimensions : 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
• Weight : 5
• Standards : UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
• Certification : UL, CSA, NOM
• Wire Size : AWG 3/0...350 kcmil aluminium/copper terminals