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Protistor® BS88-4 17x49 aR URZ/URY, 690VAC (IEC)

Approvals & Standards
IEC 60269-4

The 690V Protistor® BS88-4 fuse-links provide maximum flexibility in equipment design and ultimate protection for protection of power semiconductors.These fuse-links are defined as per IEC 60269-1 and -4 , VDE 636-23 and BS88-4 for a worldwide acceptance.The Protistor® have been engineered to provide state-of-the-art protection for semiconductors: diodes, thyristors, GTO's and IGBT devices. Fuses are assembled with pure silver, die-cut elements embedded in solidified sand, which helps control arcing characteristics for a lower I²t and high interrupting rating level. Each fuse-link can be equipped with a low voltage trip-indicator which can operate a field mountable microswitch.

The 690V Protistor® BS88-4 fuse-links provide maximum flexibility in equipment design and ultimate protection for protection of power semiconductors.These fuse-links are defined as per IEC 60269-1 and -4 , VDE 636-23 and BS88-4 for a worldwide acceptance.The Protistor® have been engineered to provide state-of-the-art protection for semiconductors: diodes, thyristors, GTO's and IGBT devices. Fuses are assembled with pure silver, die-cut elements embedded in solidified sand, which helps control arcing characteristics for a lower I²t and high interrupting rating level. Each fuse-link can be equipped with a low voltage trip-indicator which can operate a field mountable microswitch.

Key features & benefits

  • Extremely fast acting

  • Current limiting

  • Very high breaking capacity

  • Low watts loss

Applications

  • Small inverters

  • UPS systems

  • Variable speed drives

  • Similar 700V or less equipment

Technical Specifications
Amperage Range 35 ... 100 A
Speed/Characteristic aR
CE Conformity 1
Reach Compliant Yes

Reference Finder

18 references in this series

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Item number Ampere rating Fuse size Clearing I2t At Rated Voltage Indication System Product weight
A221260 - BS17UZ69V63P See product
63A 17x49 1320A²s Yes 0.05kg
B221261 - BS17UY69V71P See product
71A 17x49 1510A²s Yes 0.05kg
C221262 - BS17UY69V80P See product
80A 17x49 2450A²s Yes 0.05kg
D221263 - BS17UY69V90P See product
90A 17x49 3250A²s Yes 0.05kg
E221264 - BS17UY69V100P See product
100A 17x49 3900A²s Yes 0.05kg
L221247 - BS17UZ69V35 See product
35A 17x49 330A²s No 0.035kg
M221248 - BS17UZ69V40 See product
40A 17x49 430A²s No 0.035kg
N221249 - BS17UZ69V45 See product
45A 17x49 610A²s No 0.035kg
P221250 - BS17UZ69V50 See product
50A 17x49 970A²s No 0.035kg
Q221251 - BS17UZ69V63 See product
63A 17x49 1320A²s No 0.035kg
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