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Edison Fuses KOS40 - Semiconductor Fuse 700V 40A (Ceramic Body)

Edison Fuses
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Edison Fuses KOS40 is a high-speed semiconductor protection fuse designed to safeguard sensitive power electronic equipment from overcurrent faults. This fuse is rated for a voltage of 700 VAC/VDC and a current of 40 A, providing precise and rapid interruption to prevent damage to diodes, thyristors, and IGBTs. The KOS40 features a compact, cylindrical body measuring 5 inches in length with a 1-inch diameter, constructed with a ceramic body and silver-plated end caps for reliable conductivity and arc quenching. It complies with UL 248-13 and IEC 60269-4 standards for semiconductor fuse performance. Typical industrial applications include variable frequency drives, DC power supplies, and UPS systems.

Key Features & Specifications
  • Type: High-speed semiconductor protection fuse, ceramic body, silver-plated end caps
  • Voltage Rating: 700 VAC/VDC
  • Current Rating: 40 A
  • Dimensions: 5 in x 1 in x 1 in (Length/Depth x Height x Width)
  • Standards: UL 248-13, IEC 60269-4
  • Applications: Variable frequency drives, DC power supplies, UPS systems
  • Weight: 0.001 lb
  • Fuse Class: Semiconductor
  • Mounting: Clip
  • Diameter: 1 in
  • Clip Center: 5 in
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: 1
  • Class Rating: Not specified
  • Velocity: Not specified
  • Hz: Not specified
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not applicable
  • Relay Style: Not applicable
  • Coil Voltage Minimum: Not applicable
  • Wire: Not applicable
  • Amperage Maximum: 40 A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not applicable
  • Certification: UL, IEC
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: End caps
  • Frequency Rating: Not specified
  • Phase Connection: Not applicable
  • Compatible Frames: Not specified
  • Installation Type: Clip mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 40 A
  • 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: Not specified
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 78263437040
  • GTIN: 00782634370406