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Square D PXF36900LSI - Molded Case 900A 600V (3-Pole Solid State)

Square D
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The Square D PXF36900LSI is a 3-pole molded case circuit breaker from the Micrologic family, designed for primary protection of industrial electrical systems through solid-state trip technology. It is rated for 900A continuous current at 600VAC, with a high interrupting capacity of 100kA at 480VAC, and supports three-phase power distribution. This bolt-on unit weighs 90 lb and features a PX frame size, utilizing solid-state protection for precise LSI (Long-Time, Short-Time, and Instantaneous) trip functions. It complies with industry standards for robust overcurrent protection in demanding environments. Typical applications include main or feeder protection in industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Solid State Trip, Micrologic Family
  • Voltage Rating: 600VAC
  • Current Rating: 900A
  • Dimensions: PX Frame Size
  • Standards: Industry standard for overcurrent protection
  • Applications: Industrial switchboards, panelboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (solid state)
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 900A
  • AIC rating: 100kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Solid State
  • Functions: LSI - Long-Time, Short-Time and Instantaneous
  • Frame Size: PX Frame
  • Trip Type: Solid State
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Bolt-On
  • 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 specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 900A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: Industry standard
  • Compatible Frames: PX Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: PX
  • Current Rating: 900A
  • 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: Not available
  • GTIN: Not available