Mini Battery Selector SwitchThe 701S is the most compact selector switch available on the market. While BEP recommends isolated battery systems as outlined with our distribution clusters, the 701S provides a simple economical way of separating two batteries. BEP Marine Battery Switch Test Procedures (UL 1107) Continuous (1 hour), intermittent (5 minutes) and Cranking (engine starting - 10 seconds). The test is to determine the maximum current the switch can handle for the stated time, without the rear terminals exceeding 100 deg C (212 deg F) above the ambient temperature. The continuous and intermittent ratings are tested at 110% of specified ratings. All BEP switches are tested Independently to this specification by a 3rd party laboratory. Housed in the same dimensions as the 701, and includes the same removable side plates and back cover Please note selector switches will not separate electronics from harmful engine starting spikes Tin-plated copper studs and nuts Ignition-protected WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Quick Guide (pdf)Owner&';s Manual (pdf)