LH36400-BLACK - Square D Molded Case Circuit Breaker 400A 3P 600V I-Line

LH36400-BLACK

LH36400-BLACK is a Square D molded case circuit breaker designed for I-Line panelboards and switchboards with thermal-magnetic protection for reliable overcurrent and short-circuit detection. This 3-pole breaker delivers 400 amperes at 600 volts AC with multiple interrupt ratings across voltage classes, making it suitable for demanding industrial and commercial electrical systems. The I-Line plug-on mounting style simplifies installation and retrofit applications, while the thermal-magnetic trip unit provides sensitive response to both overload and fault conditions. Key Specifications

• Part Number: LH36400-BLACK
• Manufacturer: Square D by Schneider Electric
• Current Rating: 400 Amperes
• Voltage Rating: 600V AC
• Poles: 3
• Interrupt Rating: 65 kA @ 240V AC, 35 kA @ 480V AC, 25 kA @ 600V AC
• Trip Unit: Thermal-Magnetic
• Mounting Mode: I-Line plug-on
• Load Connection: Lugs
• Wire Size: AWG 1 to 600 kcmil (copper/aluminum)
• Magnetic Hold Current: 2000A
• Magnetic Trip Current: 4000A
• Certifications: UL Listed, CSA Certified, IEC Compliant

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Specifications

• Part Number: LH36400-BLACK
• Manufacturer : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : I-Line
• Type : LH
• Voltage : 600
• Amperage : 400
• Phase : 3
• Poles : 3
• AIC rating : 35kA@480V
• Connection : I-Line Style Plug-In
• Functions : LI - Long-Time and Instantaneous
• Frame Size : L Frame
• Protection : Thermal Magnetic

Product Data

• Weight : 20