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Square D NEF36800LSG - Molded Case 800A 600V 3-Pole LSIG

Square D
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Square D NEF36800LSG is a Micrologic family molded case circuit breaker designed for overcurrent and ground fault protection in industrial power distribution systems. This 3-pole unit is rated for 800A continuous current at 600VAC, with an interrupting capacity of 100kA at 480VAC. The NE frame breaker weighs 82 lb and features a bolt-on connection with solid-state LSIG protection—offering long-time, short-time, instantaneous, and ground fault trip functions. It complies with applicable UL and NEMA standards for molded case circuit breakers. Typical applications include main or feeder protection in switchboards, panelboards, and industrial control panels requiring adjustable electronic trip coordination.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Micrologic family, NEL type, solid-state trip unit
  • Voltage Rating: 600VAC
  • Current Rating: 800A
  • Dimensions: NE Frame size
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, main/feeder protection
  • Switch Type: Molded case
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (solid-state trip)
  • Temp Rating: Standard molded case
  • Shipping Dimensions: NE frame
  • Phase: 3
  • Voltage: 600V
  • Amperage: 800A
  • AIC rating: 100kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Functions: LSIG
  • Frame Size: NE 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: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • 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 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 800A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 800A
  • Full Load Amp Minimum: 800A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 800A
  • Amperage Minimum: 800A
  • Nema Rating: Standard
  • Switch Style: Molded case
  • Wire Size: Not specified
  • Certification: UL, NEMA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL, NEMA
  • Compatible Frames: NE Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: NE 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