PROTISTOR® SB aR, metric threaded holes, TTF, size 31, 690VAC IEC, 350A
Item #:
M300046
Product Info
6,9URD31TTF0350
Mersen
The 690/700V Protistor® fuse-links provide maximum flexibility in equipment design and ultimate protection for today's power conversion equipment. These aR ultra-fast acting square body fuse-links are available in different body sizes, each size having multiple worldwide acceptable mounting styles. They have been engineered to provide state-of-the-art protection for semiconductors diodes, thyristors and IGBT devices. They are assembled with die-cut elements embedded in solidified sand, which helps control arcing characteristics for a lower I²t and high interrupting rating level. All contact surfaces are silver plated and all hardware is non-magnetic. Each fuse-link can be equipped with a low voltage trip-indicator which can operate a field mountable microswitch.
IEC 60269.4 Compliance; Current limiting; Ultra fast acting; UL/CSA Recognized E76491; Superior cycling capability; 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; CCC GB 1539.4
Item Specifications
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200 kA
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350 A
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350 A
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Ceramic
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61000 A²s
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Silver-Plated Brass
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End Contact with Threaded Holes
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France
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31
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10300 A²s
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Bolted
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Bolted
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67 W
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Protistor®
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Protistor® size 31 aR, 690VAC (IEC) / 700VAC (UL)
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690 V
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700 V
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aR
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Silver-Plated Brass
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End Contact With Threaded Holes
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700 V