FUSECO L70QS50 LIT UL Semiconductor Fuse - 700V - 50A

Features
 • The L70QS series is a next generation high-speed fuse for the protection of power semiconductor devices and is designed in the traditional North American bolted style package
 • Designed with lower I2t performance characteristics, these fuses provide balanced performance to extend longevity while lowering potentially damaging heat energy to the devices being protected
 • In addition L70QS series fuses have been designed with a universal mounting option to meet customer requirements for installation into a variety of application configurations
 • Littelfuse POWR-SPEED products offer optimized circuit protection at the extremely fast speed required to protect modern day, sensitive, high-power semiconductor devices
 • Such products are commonly found in various industries including pulp and paper industries, cranes and heavy-lifting equipment, processing industries, wastewater treatment plants and large factories and MRO facilities
 • Compliance with US and Canadian requirements
 • Traditional North American bolted style dimensions
 • Class aR performance
 • Direct bus-bar mount or stud mount design
 • Halogen free, RoHS and REACH compliant

Applications
 • Power converters (inverters, rectifiers)
 • Power supplies
 • UPS
 • Variable speed drives
 • Control circuits
 • Soft starters
 • L70QS series high-speed fuses are extremely current limiting and are used to protect power converters, drives and control circuit applications

Specifications

 • Voltage Rating Ac: 700 V Dc: 700 V
 • Amperage Rating 35-800 A
 • Interrupting Rating Ac: 200 kA Dc: 50 kA
 • Time Constant 10 ms
 • Material Body: Melamine Caps: Copper Alloy (Silver Plated)
 • Approvals UL Recognized (E71611) c-UR-us (E71611)
 • Environmental RoHS compliant, REACH
 • Country of Origin Mexico
 • Operating Temperature -55 °C to +125 °C
 • Storage Temperature Up to 35 °C with relative humidity <65 %

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