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What type fuses does the QMB326W or QMB366W accept?

Issue:
Application

Product Line:
QMB Fusible Branch Switches

Cause:
Application of fuses 

Resolution:
The QMB326W and QMB366W switches will accept a Class H or K fuses as standard, Class R or J fuses with field modification. When using Class R fuses, also purchase and install Class R Fuse Kit QMB4060R, which when installed will reject all but Class R fuses. To convert the QMB326W or QMB366W for use with Class J fuses, relocate the load base assemblies and insulators to the mounting location nearest the line base assemblies. This information is located on the switch wiring diagram
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