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Square D PTMH36300GNCL - 300A 3-Phase 600V I-Line Bus Plug

Square D
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Square D PTMH36300GNCL is a 300A, 3-phase, 600V I-Line bus plug designed for branch circuit protection in industrial power distribution systems. It features a 65kA interrupting capacity at 480V and weighs 225 lb, with a 4-wire configuration for robust electrical connections. The unit is constructed with a heavy-duty metal enclosure and utilizes a molded case circuit breaker for reliable overcurrent protection. This bus plug complies with UL and NEMA standards for safe operation in demanding environments. It is typically used in manufacturing plants, data centers, and commercial facilities requiring high-amperage power distribution.

Key Features & Specifications
  • Type: I-Line bus plug with molded case circuit breaker
  • Voltage Rating: 600V AC
  • Current Rating: 300A
  • Dimensions: Not specified
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, branch circuit protection
  • Switch Type: Circuit breaker
  • Configuration: 3-phase, 4-wire
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 300A
  • AIC rating: 65kA@480V
  • Connection: 4-wire
  • Poles: 3
  • Protection: Overcurrent
  • Functions: Branch circuit protection
  • Frame Size: Not specified
  • 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: Steel
  • Panel Style: I-Line
  • Bus Type: I-Line
  • 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: I-Line
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 300A
  • Dist Voltage: 600V
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: 300A
  • Full Load Amp Minimum: Not specified
  • Enclosure: NEMA 1
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: 4
  • Amperage Maximum: 300A
  • Amperage Minimum: Not specified
  • Nema Rating: NEMA 1
  • Switch Style: Circuit breaker
  • Wire Size: Not specified
  • Certification: UL
  • Circuit Breaker Mounting Style: I-Line
  • Terminal Connection: Not specified
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL, NEMA
  • Compatible Frames: Not specified
  • Installation Type: I-Line
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • Current Rating: 300A
  • 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