Re-armable and detachable via a special lever, they simultaneously serve as a fuse and switch. Manufactured in accordance with US standards SAEJ1171 and CE 28846 “Vapor Proof”, capacity 3000 intervention cycles. Allowed voltage: max 48 V,Upgraded version, electrical terminals at 5/16” (instead of 1/4”) to facilitate cable connection. The recessed model requires a simple circular hole for installation. IP66 Weatherproof. From 100 A to 200 A can also be used as a general battery disconnect.Maximum voltage capacity:5000A 14VDC;3000A 28VDC;1500A 48VDC.Operating temperature: -40C° / 85C°.