Cutler Hammer JT3250TJ01 - Molded Case Circuit Breaker 250A 480V AC
Cutler Hammer JT3250TJ01 - Molded Case Circuit Breaker 250A 480V AC

Cutler Hammer JT3250TJ01 - Molded Case Circuit Breaker 250A 480V AC

Cutler Hammer
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Cutler Hammer JT3250TJ01 is a three-pole, bolt-on circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 480V AC at 250 amps, with a 65kAIC at 480V AC interrupting capacity, and features a thermal-magnetic trip mechanism for precise overload and short-circuit protection. The unit measures 6.9 inches in length/depth, 5.3 inches in height, and 4.3 inches in width, weighing 1.3 lb, with a compact molded case construction suitable for panelboard mounting. It complies with UL 489 and CSA standards, ensuring reliable performance in demanding environments. This breaker is typically applied in commercial and industrial settings for motor control centers, switchboards, and distribution panels requiring high fault current protection.

Key Features & Specifications
  • Type: Three-pole, bolt-on, thermal-magnetic circuit breaker
  • Voltage Rating: 480V AC
  • Current Rating: 250 amps
  • Dimensions: 6.9 in x 5.3 in x 4.3 in (Length/Depth x Height x Width)
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, motor control centers, switchboards
  • Switch Type: Bolt-on
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 6.9 in x 5.3 in x 4.3 in
  • Phase: Three-phase
  • Voltage: 480V AC
  • Amperage: 250A
  • AIC rating: 65kAIC at 480V AC
  • Connection: Bolt-on
  • Poles: 3
  • Protection: Overload and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: J-frame
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Bolt-on
  • Hz: 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 specified
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 250A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Bolt-on
  • Wire Size: Not specified
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Bolt-on
  • Terminal Connection: Not specified
  • Frequency Rating: 60 Hz
  • Phase Connection: Three-phase
  • Standards: UL 489, CSA
  • Compatible Frames: J-frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: J-frame
  • Current Rating: 250A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • 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: 40°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78211487614
  • GTIN: 00782114876145