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Cutler Hammer KS320250D - Molded Case Circuit Breaker 250A 240V

Cutler Hammer
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Cutler Hammer KS320250D is a three-pole molded case circuit breaker from the KS Series, designed to provide thermal magnetic protection for electrical systems. It is rated for 250A at 240VAC with a 65kA interrupting capacity, and features long time and instantaneous trip functions for overcurrent protection. The unit weighs 15 lb, uses a bolt-on connection, and operates within a temperature range of -13 to 158 °F (-25 to 70 °C) for three-phase applications. This breaker complies with industry standards for industrial power distribution and motor control centers, suitable for protecting feeders and branch circuits in commercial and industrial settings.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, KS Series, Thermal Magnetic Protection
  • Voltage Rating: 240V
  • Current Rating: 250A
  • Poles: 3
  • Connection: Bolt-On
  • AIC Rating: 65kA@240V
  • Phase: 3
  • Functions: Long Time and Instantaneous Trip
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Weight: 15 lb
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 60 Hz
  • Phase Connection: Three-Phase
  • Standards: UL Listed, CSA Certified
  • Installation Type: Fixed
  • Item QTY: 1
  • Breaker Frame: KS
  • Current Rating: 250A
  • Protection: Thermal Magnetic
  • Poles: 3
  • Voltage: 240V
  • Amperage: 250A
  • AIC rating: 65kA@240V
  • Connection: Bolt-On
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long Time and Instantaneous Trip
  • Frame Size: KS
  • Trip Type: Thermal Magnetic
  • Panel Type: Industrial
  • Breaker Type: Molded Case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: Bolt-On
  • Hz: 60
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 250A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: N/A
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Bolt-On
  • Terminal Connection: Bolt-On
  • Frequency Rating: 60 Hz
  • Phase Connection: Three-Phase
  • Standards: UL 489, CSA C22.2
  • Compatible Frames: KS
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: KS
  • Current Rating: 250A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: 70
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: Not available
  • GTIN: Not available