Vessels powered by outboard motors and fitted only with circuits for starting the engine and for navigation lights do not require a circuit breaker. For these, a two-pole dual-circuit switch must be installed in the positive AND negative wires.Īre there exceptions where no switch is required?
#BATTERY ON OFF SWITCH ISO#
It is also permitted to use remotely controlled disconnecting relays, but these must also be manually operatable on the relay itself.Īccording to DIN EN ISO 10133, a master switch must be installed in the positive wire of a vehicle electrical system with negative grounding (engine block/alternator housing = battery negative = ground).īoats with metal hulls and special vehicles are often fitted with fully insulated two-wire DC on-board power systems. For this reason, we recommend using switches with sufficient strength to disconnect batteries from the on-board power supply.
However, the electrical energy stored in these batteries poses a certain operating risk. What installation regulations are there for battery switches on sports boats?īoats and vehicles may be equipped with one or more batteries whose primary function is for starting the engine and supplying power to electrical consumers such as lights, pumps, electronics, etc. In an emergency, they make it easier to connect batteries in parallel to provide assistance for starting or they can be used to quickly and easily disconnect the entire on-board network.īattery switches with a removable key prevent the accidental use of the electrical circuit. When the alternator is in operation or in combination with other charging sources, these switches are used to distribute charging current selectively. During periods when the boat or vehicle is not in use, they prevent batteries from discharging. Depending on the type of switch and their installation, they allow two or more batteries to be used for a particular purpose. Master switches enable power to be systematically managed on board. Their primary purpose is to connect or disconnect batteries to the on-board power supply. How do battery switches work on a sailing or motor boat?
Small but helpful gadgets to optimize your energy management.
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