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Siemens KM3-S800 - Molded Case 800A 600V AC

Siemens
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Siemens KM3-S800 is a molded case circuit breaker designed for overcurrent and short-circuit protection in industrial power distribution systems. It is rated for 800A at 600V AC, providing reliable interruption of fault currents. The unit weighs 5.19 lb and features a compact molded case construction for panelboard or switchboard installation. It complies with UL 489 and CSA standards for safety and performance. Typical applications include motor control centers, feeder circuits, and main disconnects in manufacturing and processing facilities.

Key Features & Specifications
  • Type: Molded case circuit breaker, thermal-magnetic trip
  • Voltage Rating: 600V AC
  • Current Rating: 800A
  • Dimensions: Standard molded case frame size
  • Standards: UL 489, CSA
  • Applications: Industrial power distribution, motor control centers, feeder circuits
  • Switch Type: Circuit breaker
  • Configuration: Fixed mount
  • Coil Voltage Maximum: N/A
  • Temp Rating: 40°C ambient
  • Shipping Dimensions: Standard
  • Phase: 3-phase
  • Voltage: 600V AC
  • Amperage: 800A
  • AIC rating: 65kA at 480V AC
  • Connection: Line and load lugs
  • Poles: 3-pole
  • Protection: Overcurrent and short-circuit
  • Functions: Thermal-magnetic trip
  • Frame Size: S800
  • Trip Type: Thermal-magnetic
  • Panel Type: Panelboard or switchboard
  • Breaker Type: Molded case
  • Control Voltage Minimum: N/A
  • Control Voltage Maximum: N/A
  • MCM Size: 500 MCM max
  • Metal Type: Copper or aluminum lugs
  • Panel Style: Industrial
  • Bus Type: Copper
  • Fuse Class: N/A
  • Insulation Temperature: 105°C
  • 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: Fixed
  • Hz: 50/60 Hz
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: Optional
  • CPT: N/A
  • Full Load Amps: 800A
  • Dist Voltage: 600V AC
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: 800A
  • Full Load Amp Minimum: N/A
  • Enclosure: Open type
  • Relay Style: N/A
  • Coil Voltage Minimum: N/A
  • Wire: Copper or aluminum
  • Amperage Maximum: 800A
  • Amperage Minimum: N/A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: 500 MCM max
  • Certification: UL 489, CSA
  • Circuit Breaker Mounting Style: Fixed
  • Terminal Connection: Lugs
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: UL 489, CSA
  • Compatible Frames: S800
  • Installation Type: Panelboard or switchboard
  • Item QTY: 1
  • Nema Starter Size: N/A
  • Breaker Frame: S800
  • Current Rating: 800A
  • 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: 40°C
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 7450009370391