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Eaton Cutler-Hammer KES3125LSIZG - Molded Case 125A 600V AC

Cutler Hammer
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Eaton Cutler-Hammer KES3125LSIZG is a molded case circuit breaker designed for overcurrent protection in industrial power distribution systems. It is rated for 600V AC and 125A continuous current, with an interrupting capacity of 25kA at 480V AC. The unit measures 6.8 inches in depth, 5.5 inches in height, and 4.3 inches in width, weighing 2.8 lb, and features a compact, three-pole construction with a thermal-magnetic trip mechanism. It complies with UL 489 and CSA C22.2 standards for safety and performance. This breaker is typically used in panelboards, switchboards, and motor control centers for branch circuit protection in manufacturing and processing facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip, three-pole
  • Voltage Rating: 600V AC
  • Current Rating: 125A
  • Dimensions: 6.8 in x 5.5 in x 4.3 in (Length/Depth x Height x Width)
  • Standards: UL 489, CSA C22.2
  • Applications: Industrial panelboards, switchboards, motor control centers
  • Switch Type: Thermal-magnetic
  • Configuration: Three-pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: 6.8 in x 5.5 in x 4.3 in
  • Phase: Three-phase
  • Voltage: 600V AC
  • Amperage: 125A
  • AIC rating: 25kA at 480V AC
  • Connection: Line and load lugs
  • Poles: 3
  • Protection: Overcurrent and short-circuit
  • Functions: Circuit isolation and protection
  • Frame Size: KES
  • Trip Type: Thermal-magnetic
  • Panel Type: Industrial
  • Breaker Type: Molded case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Copper and steel
  • Panel Style: Standard
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Panel or DIN rail
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not included
  • CPT: Not included
  • Full Load Amps: 125A
  • Dist Voltage: 600V AC
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 125A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open style
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper or aluminum
  • Amperage Maximum: 125A
  • Amperage Minimum: 0A
  • Nema Rating: Not specified
  • Switch Style: Toggle
  • Wire Size: 14 AWG to 2/0 AWG
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lug
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: KES series
  • Installation Type: Panel mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: KES
  • Current Rating: 125A
  • 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: 786685894362