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Square D LA26400AB - Molded Case Circuit Breaker 400A 600V

Square D
Price
Save $-9,078.39
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  • In stock, ready to ship
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The Square D LA26400AB is a molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial power distribution systems. This 2-pole, 1-phase unit provides LI (Long-Time and Instantaneous) protection through a thermal magnetic trip mechanism, rated for 400A at 600V with an interrupting capacity of 30kA at 480V. The breaker features an L Frame size with I-Line style plug-in connection, measuring 11 inches in height, 4.44 inches in width, and 3.09 inches in depth, weighing 15.88 lb. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in commercial and industrial applications. Typical uses include main or feeder protection in panelboards, switchboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic
  • Voltage Rating: 600V
  • Current Rating: 400A
  • Dimensions: Height 11 in (279.40 mm) x Depth 3.09 in (78.49 mm) x Width 4.44 in (112.78 mm)
  • Standards: Industry standard molded case circuit breaker compliance
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 2-Pole, 1-Phase
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 1
  • Voltage: 600V
  • Amperage: 400A
  • AIC rating: 30kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 2
  • Protection: LI - Long-Time and Instantaneous
  • Functions: Long-Time and Instantaneous
  • Frame Size: L Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: I-Line
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Plug-In
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 400A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Circuit Breaker
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: Plug-In
  • Terminal Connection: I-Line
  • Frequency Rating: Not specified
  • Phase Connection: 1-Phase
  • Standards: Industry standard
  • Compatible Frames: L Frame
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: L Frame
  • Current Rating: 400A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 078590135846
  • GTIN: 00785901358466