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19. Fuse / heater break alarm function
19-1. Rapid fuse (sold separately)
You can externally mount a rapid fuse to protect the thyristor device. It is possible to protect the thyristor device from malfunction when using a
transformer or load short while energized.
Recommended rapid fuses
Current capacity
Model
Rapid fuse
20 / 30A
QSF006
45 / 60A
QSF007
80 / 100A
QSF008
Fuse holder
20
–
60A
QSH002
80 / 100A
QSH003
Rapid fuse and
fuse holder set
20 / 30A
QSF01F
45 / 60A
QSF01G
80 / 100A
QSF01H
For information on rapid fuses, contact your nearest Shimaden agent.
Connection diagram
CAUTION
Cut off the device’s power supply before replacing the
rapid fuse.