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What fuses does the QMB3660 switch use

Issue:
What fuses does the QMB3660 switch use ?

Product Line:
QMB OBS Switch

Environment:
Maintenance

Cause:
Ordering

Resolution:
The 600A/600V Series 1-4 QMB switch accepts Class H and R fuses and is able to be fused down to 450 amps
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