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Square D PBMA36450 - 450A Fusible Bus Plug 600V

Square D
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Square D PBMA36450 is a 450A, 3-pole I-Line breaker type bus plug designed for primary circuit protection in industrial power distribution systems. It operates at 600V AC with a 30kA interrupting capacity at 480V, utilizing a 3-wire configuration and weighing 200 lb. The unit features a robust metal enclosure suitable for panelboard mounting, with a 3-phase connection and a fusible switch mechanism that provides reliable overcurrent protection. This bus plug complies with NEMA standards and is engineered for use in Square D I-Line panelboards and switchboards. Typical applications include branch circuit protection in manufacturing facilities, commercial buildings, and heavy industrial environments where high-amperage power distribution is required.

Key Features & Specifications
  • Type: Square D PBMA I-Line breaker type bus plug with fusible switch
  • Voltage Rating: 600V AC
  • Current Rating: 450A
  • Dimensions: Not specified
  • Standards: NEMA rated
  • Applications: Industrial power distribution, branch circuit protection
  • Switch Type: Fusible
  • 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: 30kA@480V
  • Connection: I-Line
  • Poles: 3
  • Protection: Overcurrent
  • Functions: Circuit protection
  • Frame Size: Not specified
  • Trip Type: Not applicable (fusible)
  • Panel Type: I-Line panelboard
  • Breaker Type: PBMA
  • 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 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: Panelboard
  • Hz: 60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: 450A
  • Dist Voltage: 600V
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: 450A
  • Full Load Amp Minimum: Not specified
  • Enclosure: Metal
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: 3
  • Amperage Maximum: 450A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Fusible
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: I-Line
  • Terminal Connection: Not specified
  • Frequency Rating: 60 Hz
  • Phase Connection: 3-phase
  • Standards: NEMA
  • Compatible Frames: I-Line
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: PBMA
  • 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 available
  • GTIN: Not available