Simply ensure that the continuous load application does not exceed the rating of the product.Ĭold cranking / engine start: This is a very hard aspect to rate a product for as there are so many factors.
#24v battery isolator relay full
full current all day, this can be used to calculate if the product is suitable for aux battery systems such as marine domestic battery banks or vehicle secondary battery banks. Rating: The products rating are their continuous rating i.e. Key lock optional: the unit comes with a momentary rocker switch to operate the unit, however, one can purchase a key lock option if required. This product is designed to be totally flexible with no real limitation as to how many points the product can be operated from, simply purchase more momentary switches if required. This minimises the risk of any potentially expensive damages to the vehicle’s alternator or engine’s management system. if the engine is running the switch will not operate until the engine ignition is switched off or the alternator is powered down. The Sterling unit has an alternator D+ interlock which, if connected to the alternator’s d+/61 or other ignition feed stops the switch from working.
#24v battery isolator relay manual
The biggest fear with an electrical battery switch ( as with a normal manual switch ) is that because it’s so easy to use then if someone switches off the switch with an engine running, this could cause massive damage to the engine and the alternator. As you can simply tap off 12V to operate the control circuit without any fear of damaging a larger battery bank.ĭ+ alternator or ignition feed safety interlock circuit: This is very important because along the control voltage is 8-32V to operate the switch, because such little power is used to operate the switch it can easily be used on up to 48V (and higher) systems. you could have a 12V control system with a 36V battery bank you wish to switch, this is not a problem. Also the battery it switches need not be the battery where the control voltage comes from. The control circuit is totally isolated from the switching circuit, this is extremely important and means that the unit can switch on the negative or the positive of the battery. If you have a 48V forklift then simply tap off 12V or 24V depending on the unit. if you only have a 12V unit and a 24V battery bank then simply tap 12V off the 24V battery. These are 12 or 24V, however, due to the low instantaneous power consumption of the switching mechanism you can tap the voltage from a higher voltage battery to use a lower rated product i.e. Large 8 mm (on smaller units) and 10 mm (on larger units) studs ensure good contact for electrical cables, with the product potted ensuring IP68 so the product can be mounted anywhere.
This product comes complete with a remote spring load switch with an LED (on) remote and local indicator, which can be deactivated if power loss is a priority. There is only a small draw of about 2A for about 1/4 of a second during the crossover event. if the engine start is being used through the device) making sure the product uses 0A when off and, when online, negligible amounts of power is consumed (Sterling uses a small amount of power to run an LED).
The key features to look for in this type of device is the continuous rating of the product, its overload rating (i.e. In a racing car it may be required to isolate the battery in the event of an accident. Isolators are commonly used on boats, camper vans and emergency vehicles or, in some cases, for emergency switching i.e. Please note only momentary keys can be used with this kitĮlectrical battery isolators are used to switch the main pos or neg DC cables which are connected to a battery bank, the idea being to be able to isolate the battery bank remotely or automatically to preserve the charge in the battery bank or prevent a fire in an emergency situation, thus, ensuring that no drain takes place while the system is switched off. On power consumption 1.5mA - 0.0015A LED consumption Totally isolated switching voltage from control voltageĪll models are continuous current related Specifications: 12V model operates down to 8V, 24V models down to 16V ELB160-240A Instructions ELB480-640A Instructions
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