Square D HLO1 Handle Attachment – QO Lock Off/On, NIB

Need to lock out a Square D QO breaker?

This HLO1 handle attachment is exactly what you’re looking for.

Brand new, still in the original packaging.

Lets you lock the breaker in the off or on position—perfect for safety protocols or maintenance work.

Simple install, solid build.

MPN HLO1, unbranded packaging but genuine Square D part.

If you’re an electrician or just a serious DIYer, this little gizmo adds a layer of safety to your panel.