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Square D JGL37250D82AAUO - Molded Case 250A 600V 3-Pole

Square D
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Square D JGL37250D82AAUO is a Powerpact J Frame molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. This three-pole, 250A unit operates at 600VAC with a 20kA interrupting capacity at 500VDC, utilizing a thermal magnetic trip mechanism for LI (long-time and instantaneous) protection functions. The breaker measures 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) and weighs 5 lb, featuring feed-thru connection terminals that accept AWG 3/0 to 350 kcmil aluminum or copper wire. It complies with UL, CSA, NEMA, NOM-003-SCFI-2000, and IEC 60947-2 standards, with an operating temperature range of 28 to 158 °F (-2 to 70 °C). This unit is suited for three-phase applications requiring reliable thermal-magnetic protection in switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Thermal Magnetic, LI (Long-Time and Instantaneous) Protection
  • Voltage Rating: 600V
  • Current Rating: 250A
  • Dimensions: 7.5 in (191 mm) x 4.09 in (104 mm) x 3.4 in (86 mm) (Height x Width x Depth)
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Applications: Industrial power distribution, switchboards, panelboards, motor control centers
  • Switch Type: Molded Case
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not applicable (thermal magnetic)
  • Temp Rating: 28-158 °F (-2-70 °C)
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 250A
  • AIC rating: 20kA@500VDC
  • Connection: Feed-Thru
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: J Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: 350 kcmil maximum
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Fixed
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: AWG 3/0...350 kcmil aluminium/copper terminals
  • Amperage Maximum: 250A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: AWG 3/0...350 kcmil aluminium/copper terminals
  • Certification: UL, CSA, NOM
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Feed-Thru
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-Phase
  • Standards: UL, CSA, NEMA, NOM-003-SCFI-2000, IEC 60947-2
  • Compatible Frames: J Frame
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: J Frame
  • Current Rating: 250A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901698050
  • GTIN: 00785901698050