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Square D PBLE36400GNLIG - 400A I-Line Bus Plug (600V, 3-Phase)

Square D
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Square D PBLE36400GNLIG Bus Plug is a heavy-duty circuit breaker type bus plug designed for primary overcurrent protection and power distribution in industrial electrical systems. It is rated for 400A continuous current at 600V AC, with a robust 65kA interrupting capacity at 480V, ensuring reliable fault clearing in high-fault environments. This three-phase unit weighs 185 lb and accommodates up to 4 AWG wire connections, featuring a durable I-Line panel style construction for secure bus mounting. The PBLE series complies with applicable UL and NEMA standards for industrial switchgear and panelboard applications. Typical uses include feeding machinery, motor control centers, and branch circuits in manufacturing plants, data centers, and commercial facilities requiring high-amperage distribution.

Key Features & Specifications
  • Type: Circuit breaker type bus plug, I-Line family, PBLE series, 3-phase, 3-pole, 600V AC, 400A, 65kA@480V AIC, 185 lb weight, 4 AWG wire size, metal enclosure
  • Voltage Rating: 600V AC
  • Current Rating: 400A
  • AIC Rating: 65kA at 480V AC
  • Phase: 3
  • Wire Size: 4 AWG
  • Weight: 185 lb
  • Standards: UL 489, NEMA AB-1, CSA C22.2 No. 5
  • Applications: Industrial power distribution, motor control centers, manufacturing facilities, data centers
  • Switch Type: Molded case circuit breaker
  • Configuration: 3-pole, 3-phase
  • Frame Size: I-Line
  • Trip Type: Thermal-magnetic
  • Panel Type: I-Line
  • Breaker Type: PBLE
  • Metal Type: Steel
  • Panel Style: I-Line
  • Bus Type: I-Line
  • Fuse Class: Not applicable (breaker type)
  • Insulation Temperature: 75°C
  • Mounting: Bolt-on to I-Line bus
  • Hz: 50/60 Hz
  • Enclosure: NEMA 1
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Lug type
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Breaker Frame: I-Line
  • Current Rating: 400A
  • Operating Temperature Maximum Celsius: 40°C


Product Identification
  • UPC: 785901892345
  • GTIN: 00785901892345