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Eaton Cutler Hammer NGH312039EC - Molded Case Circuit Breaker 1200A 3-Pole

Cutler Hammer
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Eaton Cutler Hammer NGH312039EC is a Type G molded case circuit breaker designed for primary overcurrent and ground fault protection in high-capacity industrial power distribution systems. This 3-phase, 1200A rated unit operates at 480/600VAC with a solid state ALSIG trip unit providing Arcflash Reduction, Long-Time, Short-Time, Instantaneous, and Ground Fault protection functions. The panel-mount breaker features a bolt-on connection, weighs 48 lb, and measures 6 in x 9 in x 9 in (Length/Depth x Height x Width). It is UL and CSA certified, HACR rated, and delivers interrupting capacities of 100kAIC at 240VAC and 65kAIC at 480VAC. This breaker is suited for main or feeder protection in commercial and industrial switchboards, panelboards, and motor control centers requiring selective coordination and arc flash mitigation.

Key Features & Specifications
  • Type: Molded Case, Type G, Solid State Trip
  • Voltage Rating: 480/600VAC
  • Current Rating: 1200A
  • Dimensions: 6 in x 9 in x 9 in (Length/Depth x Height x Width)
  • Weight: 48 lb
  • Standards: HACR, UL, CSA
  • Applications: Industrial power distribution, switchboards, panelboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480/600VAC
  • Amperage: 1200A
  • AIC rating: 100kAIC at 240VAC, 65kAIC at 480VAC
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Solid State
  • Functions: ALSIG - Arcflash Reduction, Long-Time, Short-Time, Instantaneous and Ground Fault Trip
  • Frame Size: G
  • Trip Type: Solid State
  • Panel Type: Panel Mount
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • 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: Panel
  • Hz: Not specified
  • Coil Material: Not specified
  • 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 specified
  • Wire: Not specified
  • Amperage Maximum: 1200A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel
  • Terminal Connection: Bolt-On
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: HACR
  • Compatible Frames: Not specified
  • Installation Type: Panel Mount
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: G
  • Current Rating: 1200A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 078668558056