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Manufacturer Mersen
Mfg Catalog # A70QS550-4KIL
North Coast Part # 603292


  • Very Low I2t for improved protection of equipment
  • Superior cycling ability for long, reliable life on high cyclic loading
  • Low watts loss for cooler operation
  • 700V AC/DC rating gives greater design versatility
  • Ultra compact sizes allow down-sizing of existing equipment


  • UL recognized component, AC/DC UL file E60314
  • AC: guide no. JFHR2
  • DC: tested to UL standard 198L parameters (35-800A)
  • CSA certified File LR 12636


  • Max Operating Temp: 80 °C
  • Max Storage Temp: 80 °C
  • Min Storage Temp: -25 °C
  • Ampere Rating: 550 A
  • Rated Voltage Ac Ul: 700 V
  • Rated Voltage Dc Ul: 700 V
  • Ac Max I R Breaking Capacity I1: 40 kA
  • Product Diameter: 2 in
  • Country Of Origin: MX
  • Product Line: Amp-Trap® A70QS 700VAC 700VDC
  • Product Brand: Amp-Trap®
  • Body Insulating Material: GMG
  • Connection Terminal Material: Tin-Plated Copper
  • Connection Terminal Type: Bolted
  • Speed Characteristic: High Speed
  • Mounting: Bolted


UPC 78200133091
Family Brand Name Ferraz Shawmut
Item Long Description A70QS Amp-Trap high speed fuses were developed in response to the need for improved overall performance of 700V semiconductor fuses for new equipment requirements. A70QS fuses have lower I2t for better protection, longer life when subjected to cyclic loading, plus lower watts loss. A70QS is the best choice to protect dynamic solid state equipment such as motor drives, UPS, etc.
GTiN 00782001330910
Length 7.09 in
Type North American Round Style
Diameter 2 in
Terminal Type Bolted
Applications Protection of motor drives, UPS, inverters at 700V or less
Mounting Type Bolted
Weight 1.35 lb
Pkg Qty 1
Insulation Material GMG
TC Connection Bolted
Amperage 550 Amp
Indicator IL Indicator
Terminal Material Tin-Plated Copper
Rated Voltage AC 700 V
Rated Voltage DC 700 V
Voltage 700 Volt
Country of Origin Mexico
Max Operating Temperature 80 C

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