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Square D JLL36250T - Molded Case Circuit Breaker 250A 600V

Square D
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Square D JLL36250T is a three-pole molded case circuit breaker from the PowerPact J series, designed to provide overcurrent protection through a thermal magnetic trip mechanism with long-time and instantaneous (LI) functions. It is rated for 250 amperes at 600 volts AC or 500 volts DC, with an interrupting capacity of 100kA at 480V, and operates at 50/60 Hz. The unit measures 7.5 in (191 mm) in height, 4.09 in (104 mm) in width, and 3.4 in (86 mm) in depth, weighs 5.3 lb, and features a feed-thru connection with line/load lugs that accept wire sizes from AWG 3/0 to 350 kcmil aluminum or copper. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, and is certified by UL, CSA, and NOM, with an operating temperature range of 28-158 °F (-2-70 °C). This circuit breaker is suited for industrial and commercial power distribution applications requiring reliable overcurrent protection in three-phase systems.

Key Features & Specifications
  • Type: Molded Case
  • Current Rating: 250 A
  • Voltage Rating: 600 VAC / 500 VDC
  • Poles: 3
  • Phase: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • AIC Rating: 100kA@480V
  • Connection: Feed-Thru
  • Wire Size: AWG 3/0...350 kcmil aluminium/copper terminals
  • Mounting Type: Surface
  • Frequency: 50/60 Hz
  • Rating: 80% Rated
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Dimensions: 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
  • Weight: 5.3 lb
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Certification: UL, CSA, NOM
  • Country of Origin: United States


Product Identification
  • UPC: 785901660828
  • GTIN: 00785901660828