FERRAZ N300507 12.5URD73TTF0500
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Manufacturer Mersen
Mfg Catalog # N300507
North Coast Part # 665660


  • Multiple body sizes and terminals or blades combination
  • aR Class according to IEC 60269-4 and VDE 636-23
  • Very low I²t for improved semiconductor protection
  • Ultra fast acting
  • Current limiting
  • Superior cycling capability


  • IEC 60269-4 Compliance
  • UL/CSA Recognized E76491
  • CCC GB 13539.4


  • Ampere Rating: 500 A
  • Rated Voltage Ac Iec: 1250 V
  • Rated Voltage Ac Ul: 1300 V
  • Ac Max I R Breaking Capacity I1: 126 kA
  • Clearing I2T At Rated Voltage: 360 kA²s
  • Melting I2T: 44 kA²s
  • Power Dissipation At Rated Current Value: 112 W
  • Country Of Origin: FR,MX
  • Product Line: Protistor® size 73 aR, 600 to 1250VAC (IEC) / 1300VAC (UL)
  • Product Brand: Protistor®
  • Body Insulating Material: Ceramic
  • Connection Terminal Material: Silver-Plated Brass
  • Connection Terminal Type: End Contact with Threaded Holes
  • Fuse Size: 73
  • Speed Characteristic: aR
  • Mounting: Bolted


Family Brand Name Ferraz Shawmut
Product UPC 78200124249
GTiN 03605340329506
Length 2.91 Inch
Width 2.87 in
Terminal Type End Contact With Threaded Holes
Mounting Type Bolted
Height 3.09 Inch
Weight 2.69 lb
Pkg Qty 1
Insulation Material Ceramic
Amperage 500 Amp
Indicator Striker
Terminal Material Silver-Plated Brass
Rated Voltage AC 1300 V
Voltage 1300 Volt
Country of Origin France,Mexico

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