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K300757
K300757
PROTISTOR® SB aR, metric threaded holes, TTF, sz.33, 500VAC IEC, 2250A

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.
The Protistor® have been engineered to provide state-of-the-art protection for semiconductors: diodes, thyristors and IGBT devices. Fuses 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.

Brand: Protistor®

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Specifications
Item Number K300757
EAN UPC Code 3605340333077
GTIN Sell Pack 33605340333078
Applications
  • Protection of inverters, motor drives, UPS systems and similar 690V or less equipments.
Approvals Standards
  • IEC 60269-4 Compliance
  • UL/CSA Recognized E76491
  • CCC 1359.4
Brand Name Mersen
Country Of Origin MX,FR
Features Benefits
  • 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
Product Line Protistor® size 33 aR, 450 to 690VAC (IEC) / 700VAC (UL)
Product Brand Protistor®
Product Family Fuses
Product Group Semiconductor Protection Fuses
Product Type Square Body High-Speed Fuse-Links AC Protection
Speed Characteristic aR
AC Max I R Breaking Capacity I1 200 kA
Body Insulating Material Ceramic
Connection Terminal Material Silver-Plated Brass
Connection Terminal Type End Contact with Threaded Holes
Fuse Size 33
Indication System 1
Indication System Type Striker
Mounting Bolted
Product Height 3.09 in
Product Length 1.99 in
Product Weight 1.776 lb
Product Width 2.87 in
Sell Pack Description Box
Sell Pack Height 3.74 in
Sell Pack Length 9.65 in
Sell Pack Width 3.35 in
Sell Pack Quantity 3 EACH
Sell Pack Weight 5.328 lb
Ampere Rating 2250 A
Catalogue No PC33UD50V2250TF
Design Details Reinforced Terminal
Clearing I2t At Rated Voltage 5160 kA²s
Design Details Reinforced Terminal
Item Description 5 URD 33 TT F 2250
Melting I2t 1250 kA²s
Minimum Quantity Per Order 3
Order Multiple 3
Power Dissipation At Rated Current Value 280 W
Rated Voltage AC IEC 500 V
Rated Voltage AC UL 550 V
Short Description PROTISTOR® SB aR, metric threaded holes, TTF, sz.33, 500VAC IEC, 2250A
Suitable For Outdoor Use 0
Suitable For Outdoor Use 0
Design Details Reinforced Terminal
Documents
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