Killark XEDS-30 - External handle is vault type with standard provisions for locking in "OFF" position with up to three padlocks.Provisions for locking in "ON" position available as factory modification (add suffix SU40 to catalog number).Enclosure and external handle is cast copper-free aluminum alloy (less than 4/10 of 1%).Cover bolts are stainless steel.Eaton (Cutler Hammer) Type DS Switches.Two cast conduit hubs, one top and one bottom.Internal disconnect handle mechanism is a sliding plate mounted to the cover. Killark XEDS Series of Hazardous Location Non-Fused Disconnect Switches provide local means of disconnect of service entrance, feeder or branch circuits, lighting, heating, appliance and motor circuits. Rated for indoor applications, the copper-free aluminum construction is ideal for harsh and hazardous environments.