This datasheet provides information on Mersen’s Protistore Fuses, which are available in two models according to BS 88-4 and EN 60269.4 standards. The features and benefits of these fuses include extremely high interrupting ratings, protection of power semiconductors, and full-range protection.
Technical Data
The following tables provide detailed technical data on the fuses, including voltage, current, melting, and interrupting ratings.
gR class (gRB Ratings 20 to 125A)
The technical data for this class includes voltage ratings ranging from 500 to 690V, and current ratings from 20 to 400A.
aR class (URB ratings 75 to 400A)
The technical data for this class includes voltage ratings ranging from 500 to 690V, and current ratings from 75 to 400A.
The fuses also feature a trip-indicator option, which allows for remote sensing and microswitching.
Manual:
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