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Square D JDL36250C - Molded Case Breaker 250A 600V 3P

Square D
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Square D JDL36250C is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial power distribution systems. It features a 250A current rating and a 600V voltage rating, housed within a compact J-frame measuring 191 mm H x 104 mm W x 86 mm D and weighing 4.5 lb. The breaker utilizes a thermal-magnetic trip unit for long-time and instantaneous (LI) protection, offers an interrupting capacity of 18kA at 480V, and is constructed with lug terminals compatible with wire sizes from 3/0 AWG to 350 kcmil for both copper and aluminum conductors. It complies with UL, CSA, NEMA, NOM, and IEC 60947-2 standards for safety and performance, making it suitable for use in panelboards, switchboards, and industrial control panels where robust circuit protection is required.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal-Magnetic Protection, J-Frame
  • Voltage Rating: 600V AC
  • Current Rating: 250A
  • Dimensions: 7.5 in H (191 mm) x 4.09 in W (104 mm) x 3.4 in D (86 mm)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial Power Distribution, Panelboards, Switchboards
  • Switch Type: Circuit Breaker
  • Configuration: Feed-Thru
  • Temp Rating: -2 to 70 °C (28 to 158 °F)
  • Phase: 3
  • Amperage: 250A
  • AIC Rating: 18kA @ 480V
  • Connection: Lug Terminal
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: J
  • Trip Type: Thermal-Magnetic
  • Breaker Type: Molded Case
  • MCM Size: 3/0 AWG to 350 kcmil (Cu/Al)
  • Wire Size: AWG 3/0 to 350 kcmil
  • Certification: UL, CSA, NOM
  • Mounting: Fixed
  • Hz: 50/60 Hz
  • Full Load Amps: 250A
  • Enclosure: Molded Case
  • Wire: Copper or Aluminum
  • NEMA Rating: As per standards
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA, NOM, IEC
  • Installation Type: Fixed
  • Breaker Frame: J
  • Current Rating: 250A
  • Operating Temperature Maximum Celsius: 70 °C


Product Identification
  • UPC: 785901923336
  • GTIN: 00785901923336