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Square D PKH36175GN - 175A 3-Phase I-Line Breaker (600VAC)

Square D
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Square D PKH36175GN is a 175A, 600VAC, 3-phase I-Line circuit breaker designed for branch circuit protection in industrial power distribution systems. This unit features a 35kA interrupting capacity at 480VAC and is compatible with KHP frames, utilizing a 4-wire configuration for reliable operation. The breaker measures 4.44 inches in width and 3.09 inches in depth, weighing 45 lb, and is constructed with a robust molded case for durability. It complies with UL and NEMA standards for electrical safety and performance. Typical applications include motor control centers, panelboards, and switchboards in manufacturing facilities and commercial buildings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line
  • Voltage Rating: 600VAC
  • Current Rating: 175A
  • Dimensions: Depth 3.09 in (78.49 mm) x Width 4.44 in (112.78 mm)
  • Standards: UL, NEMA
  • Applications: Industrial power distribution, motor control centers, panelboards
  • Switch Type: Thermal-magnetic
  • Configuration: 3-pole
  • Phase: 3
  • AIC rating: 35kA@480V
  • Connection: I-Line plug-on
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Frame Size: KHP
  • Trip Type: Fixed thermal-magnetic
  • Panel Type: I-Line
  • Breaker Type: PKH
  • Wire: 4
  • Metal Type: Molded case
  • Bus Type: I-Line
  • Mounting: Plug-on
  • Hz: 50/60
  • Enclosure: Open
  • Nema Rating: NEMA 1
  • Wire Size: 4 AWG
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Plug-on
  • Terminal Connection: I-Line
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Compatible Frames: KHP
  • Installation Type: Panelboard
  • Item QTY: 1
  • Breaker Frame: KHP
  • Current Rating: 175A
  • Operating Temperature Maximum Celsius: 40°C


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