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Cutler Hammer LD3250T107W - Molded Case 250A 600V 3-Pole

Cutler Hammer
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Cutler Hammer LD3250T107W Circuit Breaker is a 3-pole, 250A molded case circuit breaker from the Series C family, designed for overcurrent and ground fault protection in industrial power distribution systems. It operates at a maximum voltage rating of 600V with a solid-state trip unit providing LSIGA functions—Long-Time, Short-Time, Instantaneous, and Ground Fault Alarm—and an AIC rating of 35kA at 480V. The unit features a bolt-on connection, measures 4.06 inches in depth by 8.25 inches in height by 8.25 inches in width, and weighs 23 lb, constructed for panelboard or switchboard installation. It is UL 489 certified, ensuring compliance with safety standards for molded case circuit breakers. Typical applications include main or feeder protection in commercial and industrial electrical systems requiring precise, adjustable trip settings and ground fault alarm capabilities.

Key Features & Specifications
  • Type: Molded Case, Solid State Trip
  • Voltage Rating: 600V
  • Current Rating: 250A
  • Dimensions: 4.06 in x 8.25 in x 8.25 in (Length/Depth x Height x Width)
  • Standards: UL 489
  • Applications: Industrial power distribution, main or feeder protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Phase
  • Coil Voltage Maximum: Not applicable (solid state)
  • Temp Rating: Not specified
  • Shipping Dimensions: 4.06 in x 8.25 in x 8.25 in
  • Phase: 3
  • Voltage: 600V
  • Amperage: 250A
  • AIC rating: 35kA@480V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Solid State
  • Functions: LSIGA - Long-Time, Short-Time, Instantaneous and Ground Fault Alarm
  • Frame Size: LD
  • Trip Type: Solid State
  • Panel Type: Panelboard/Switchboard
  • 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: Not specified
  • 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: Not specified
  • Wire Size: Not specified
  • Certification: UL 489
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: UL 489
  • Compatible Frames: Series C
  • Installation Type: Panelboard/Switchboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: LD
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78667904935
  • GTIN: 00786679049358