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Square D MX36300G - Molded Case Circuit Breaker 300A 600V

Square D
Price
Save $-3,571.88
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The Square D MX36300G is a 3-pole, 300A molded case circuit breaker from the I-Line family, designed for solid-state LSIG protection (Long-Time, Short-Time, Instantaneous, and Ground Fault) in industrial power distribution systems. It operates at a maximum voltage rating of 600V and a current rating of 300A, with an interrupting capacity of 65kA at 480V, supporting 3-phase applications. The unit features an I-Line style plug-in connection, measures 12.86 inches in height, 8.27 inches in width, and 8.05 inches in depth, and weighs 50 lb. It complies with industry standards for molded case circuit breakers, ensuring reliable overcurrent and ground fault protection. This breaker is typically used in commercial and industrial switchboards, panelboards, and motor control centers requiring precise, adjustable protection settings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, MX Series
  • Voltage Rating: 600V
  • Current Rating: 300A
  • Dimensions: Depth 8.05 in (204.47 mm), Width 8.27 in (210.06 mm), Height 12.86 in (326.64 mm)
  • Standards: Industry standard for molded case circuit breakers
  • Applications: Industrial switchboards, panelboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Phase
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 300A
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Solid State
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Frame Size: Not specified
  • Trip Type: Solid State
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • 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: Not specified
  • Hz: Not specified
  • Coil Material: Not specified
  • 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 specified
  • Wire: Not specified
  • Amperage Maximum: Not specified
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: Not specified
  • Standards: Not specified
  • Compatible Frames: Not specified
  • Installation Type: Not specified
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 300A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: Not specified
  • GTIN: Not specified