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What type of fuses does a QMB3640 fusible switch take? Can it be modified to accept type J fuses?

Issue:
Product Features

Product Line:
QMB

Environment:
QMB Switch

Cause:
Fuse selection.

Resolution:
The QMB3640 fusible switches accept Class H or K fuses as standard, or type R fuses with a rejection kit.  It will not accept J type fuses.
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