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Square D PXF36800LSIZ - Molded Case 800A 600V 3-Pole

Square D
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Square D PXF36800LSIZ is a molded case circuit breaker designed for primary overcurrent protection in industrial power distribution systems. This three-phase, 800A unit operates at 600VAC with a 100kA interrupting capacity at 480VAC, utilizing solid-state Micrologic trip technology for precise LSI (Long-Time, Short-Time and Instantaneous) protection. The PX frame breaker features a bolt-on connection, weighs 90 lb, and is constructed for robust panelboard installation. It complies with UL and NEMA standards for industrial electrical safety and reliability. Typical applications include main or feeder protection in manufacturing plants, data centers, and commercial facilities requiring high fault current handling.

Key Features & Specifications
  • Type: Molded Case, Solid State Trip
  • Voltage Rating: 600V
  • Current Rating: 800A
  • Dimensions: PX Frame
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, main/feeder protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (solid state)
  • Temp Rating: Standard
  • Shipping Dimensions: PX Frame
  • Phase: 3
  • Voltage: 600V
  • Amperage: 800A
  • AIC rating: 100kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: LSI - Long-Time, Short-Time and Instantaneous
  • Functions: Solid State Trip
  • Frame Size: PX Frame
  • Trip Type: Solid State
  • Panel Type: Industrial
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Standard
  • Panel Style: Standard
  • Bus Type: Standard
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard
  • 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: Bolt-On
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 800A
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 800A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 800A
  • Amperage Minimum: Not specified
  • Nema Rating: Standard
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, NEMA
  • Compatible Frames: PX Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: PX Frame
  • Current Rating: 800A
  • 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: Standard
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not available
  • GTIN: Not available