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QOX320 - Class J Fuse 600V 320A (5.19 lb)

United Fuses
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QOX320 is a high-performance industrial fuse designed for overcurrent protection in demanding electrical systems. It operates at a rated voltage of 600V AC/DC and supports a current rating of 320A, ensuring reliable fault interruption and equipment safety. The fuse features a compact, robust construction with a weight of 5.19 lb, utilizing a ceramic body and silver-plated contacts for enhanced durability and thermal stability. It complies with UL 248-13 and CSA C22.2 standards, meeting rigorous safety and performance requirements for industrial environments. Typical applications include motor branch circuits, feeder protection, and power distribution in manufacturing plants, data centers, and heavy machinery.

Key Features & Specifications
  • Type: High-speed industrial fuse, ceramic body, silver-plated contacts
  • Voltage Rating: 600V AC/DC
  • Current Rating: 320A
  • Weight: 5.19 lb
  • Standards: UL 248-13, CSA C22.2
  • Applications: Motor branch circuits, feeder protection, power distribution
  • Switch Type: Not applicable (fuse)
  • Configuration: Single element
  • Coil Voltage Maximum: Not applicable
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Single
  • Voltage: 600V
  • Amperage: 320A
  • AIC rating: Not specified
  • Connection: Bolt-on
  • Poles: 1
  • Protection: Overcurrent
  • Functions: Fault interruption
  • Frame Size: Not specified
  • Trip Type: Fast-acting
  • Panel Type: Not applicable
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Silver-plated
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Class J
  • Insulation Temperature: Not specified
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not applicable
  • Clip Center: Not specified
  • Clas: Not applicable
  • Mounting: Bolt-on
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: Not applicable
  • CPT: Not applicable
  • Full Load Amps: Not specified
  • Dist Voltage: Not applicable
  • 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: 320A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: Not specified
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Bolt-on
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single
  • Standards: UL 248-13, CSA C22.2
  • Compatible Frames: Not specified
  • Installation Type: Fixed
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 320A
  • 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: Not available
  • GTIN: Not available