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AF300A - Industrial Fuse 300A 600V (5.19 lb)

United Fuses
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AF300A is a robust industrial fuse designed for overcurrent protection in high-power electrical systems. It is rated for 600V AC/DC and carries a current rating of 300A, ensuring reliable performance under heavy loads. The fuse weighs 5.19 lb and features a compact, durable construction suitable for panel mounting. It complies with UL and CSA standards for safety and performance. Typical applications include motor control centers, distribution panels, and heavy machinery in manufacturing and processing plants.

Key Features & Specifications
  • Type: Industrial fuse, high-speed operation
  • Voltage Rating: 600V AC/DC
  • Current Rating: 300A
  • Weight: 5.19 lb
  • Standards: UL, CSA
  • Applications: Motor control centers, distribution panels, heavy machinery
  • Mounting: Panel
  • Phase: Single
  • Connection: Bolt-on
  • Poles: 1
  • Protection: Overcurrent
  • Functions: Circuit protection
  • Frame Size: Standard
  • Trip Type: Fast-acting
  • Panel Type: Industrial
  • Breaker Type: Fuse
  • Control Voltage Minimum: 0V
  • Control Voltage Maximum: 600V
  • MCM Size: Not applicable
  • Metal Type: Copper alloy
  • Panel Style: Open
  • Bus Type: Solid
  • Fuse Class: J
  • Insulation Temperature: 105°C
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: 1
  • Class Rating: 300A
  • Diameter: 2.5 in
  • Velocity: Not specified
  • Clip Center: 3.0 in
  • Clas: Not specified
  • Mounting: Panel
  • Hz: 50/60
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: None
  • CPT: None
  • Full Load Amps: 300A
  • Dist Voltage: 600V
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 300A
  • Full Load Amp Minimum: 0A
  • Enclosure: Open
  • Relay Style: Not applicable
  • Coil Voltage Minimum: 0V
  • Wire: Not applicable
  • Amperage Maximum: 300A
  • Amperage Minimum: 0A
  • Nema Rating: 1
  • Switch Style: Not applicable
  • Wire Size: Not applicable
  • Certification: UL, CSA
  • Circuit Breaker Mounting Style: Panel
  • Terminal Connection: Bolt-on
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Single
  • Standards: UL, CSA
  • Compatible Frames: Standard
  • Installation Type: Panel
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Standard
  • Current Rating: 300A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 105°C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


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