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Square D PTMH36450GH - 450A 3-Pole Bus Plug (600VAC)

Square D
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Square D PTMH36450GH is a 450A, 3-pole I-Line bus plug designed for circuit protection and power distribution in industrial switchboards. It operates at 600VAC with a 65kA interrupting capacity at 480V, utilizing a 3-wire configuration. The unit weighs 225 lb and features a molded case switch mechanism with a rotary handle for manual operation. It complies with UL 489 standards for molded case circuit breakers and is suitable for use in Square D I-Line panelboards. Typical applications include main disconnects, feeder protection, and branch circuit control in manufacturing facilities, data centers, and commercial buildings.

Key Features & Specifications
  • Type: I-Line bus plug, molded case switch, rotary handle operation
  • Voltage Rating: 600VAC
  • Current Rating: 450A
  • Dimensions: Not specified
  • Standards: UL 489
  • Applications: Main disconnects, feeder protection, branch circuit control in industrial and commercial power distribution
  • Switch Type: Rotary handle
  • Configuration: 3-pole, 3-wire
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 450A
  • AIC rating: 65kA@480V
  • Connection: I-Line bus
  • Poles: 3
  • Protection: Overcurrent
  • Functions: Circuit protection and disconnection
  • Frame Size: Not specified
  • Trip Type: Thermal-magnetic
  • Panel Type: I-Line
  • Breaker Type: PTMH
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • 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 bus
  • Hz: 50/60
  • 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: 3
  • Amperage Maximum: 450A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Rotary handle
  • Wire Size: Not specified
  • Certification: UL 489
  • Circuit Breaker Mounting Style: I-Line
  • Terminal Connection: Not specified
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489
  • Compatible Frames: Not specified
  • Installation Type: Panelboard mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not specified
  • Current Rating: 450A
  • 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 specified
  • GTIN: Not specified