FERRAZ F300477 A070URD31TTI0450
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Manufacturer Mersen
Mfg Catalog # F300477
North Coast Part # 17500


  • 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


  • Protection of inverters, motor drives, UPS systems and similar 690V or less equipments.


  • Sell Pack Height: 2.56 in
  • Product Weight: 0.849 lb
  • Product Length: 1.99 in
  • Mounting: Bolted
  • Clearing I2t At Rated Voltage: 155000 A²s
  • Product Width: 2.01 in
  • Ampere Rating: 450 A
  • AC Max I.R./Breaking Capacity: I1: 200 kA
  • Rated voltage AC IEC: 690 V
  • Product Height: 2.22 in
  • Power Dissipation at Rated Current Value: 70 W
  • Melting I2t: 26500 A²s
  • Indication System: Yes
  • Catalogue No.: A070UD31TTI450
  • Sell Pack Width: 3.35 in
  • Sell Pack Length: 6.61 in
  • Body/Insulating Material: Ceramic
  • Fuse Size: 31
  • Connection/Terminal Type: End Contact with Threaded Holes
  • Sell Pack Quantity: 3 EACH
  • Indication System Type: Striker
  • Speed/Characteristic: aR
  • Connection/Terminal Material: Silver-Plated Brass
  • Rated voltage AC UL: 700 V
  • Sell Pack Weight: 2.546 lb

Approvals & Standards

  • IEC 60269.4 Compliance
  • UL/CSA Recognized E76491
  • CCC GB 1539.4
  • Approvals & Standards


UPC 78200124059
Family Brand Name Ferraz Shawmut
GTiN 03605340329063
Length 1.99 in
Width 2.01 in
Terminal Type End Contact With Threaded Holes
Mounting Type Bolted
Height 2.22 in
Weight 0.849 lb
Pkg Qty 3
Insulation Material Ceramic
Amperage 450 Amp
Indicator Striker
Terminal Material Silver-Plated Brass
Rated Voltage AC 690 V

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