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Square D KH36125-BLACK - Molded Case Circuit Breaker 125A 3-Pole

Square D
Price
Save $-1,235.66
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Square D KH36125-BLACK is a three-pole molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial power distribution systems. It carries a 125A current rating with a 600VAC voltage rating and a 35kA interrupting capacity at 480VAC, utilizing thermal-magnetic protection for LI (Long-Time and Instantaneous) trip functions. The unit features an I-Line style plug-in connection, a K Frame size, and weighs 13 lb, constructed for robust panelboard installation. This breaker complies with industry standards for molded case circuit breakers, ensuring reliable performance in commercial and industrial environments. Typical applications include branch circuit protection in switchboards, panelboards, and motor control centers requiring high fault current interruption.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, I-Line Family, KH Type
  • Voltage Rating: 600VAC
  • Current Rating: 125A
  • Dimensions: K Frame Size
  • Standards: Industry standard molded case breaker compliance
  • Applications: Industrial power distribution, panelboards, switchboards, motor control centers
  • Switch Type: Circuit Breaker
  • Configuration: Three-Pole
  • Coil Voltage Maximum: Not applicable (thermal-magnetic)
  • Temp Rating: Standard molded case breaker temperature range
  • Shipping Dimensions: Based on K Frame size
  • Phase: 3
  • Voltage: 600V
  • Amperage: 125A
  • AIC rating: 35kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Trip Type: Thermal Magnetic
  • Panel Type: I-Line compatible
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not specified
  • Metal Type: Standard breaker materials
  • Panel Style: I-Line
  • Bus Type: I-Line
  • Fuse Class: Not applicable
  • Insulation Temperature: Standard molded case rating
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: I-Line standard
  • Clas: Not applicable
  • Mounting: I-Line Plug-In
  • 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
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 125A
  • Full Load Amp Minimum: Not applicable
  • Enclosure: Open style (for panelboard installation)
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 125A
  • Amperage Minimum: Not applicable
  • Nema Rating: Not specified
  • Switch Style: Circuit Breaker
  • Wire Size: Not specified
  • Certification: UL listed (typical)
  • Circuit Breaker Mounting Style: I-Line Plug-In
  • Terminal Connection: I-Line style
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: UL, CSA (typical)
  • Compatible Frames: K Frame
  • Installation Type: Panelboard
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: K Frame
  • Current Rating: 125A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • 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: Standard breaker range
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: Not provided
  • GTIN: Not provided