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Old 25-03-2018, 05:26   #1
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windlass from 12 V to 24 V

Hello everyone... I have a situation where we need to change windlass quick (not sure the type) which runs on 12 V to a quick DP3 which runs on 24 V... We will use 24 V from the bow thruster batteries which are right below the windlass (thruster runs on 24 V)... So my question is is it possible to maintain the old 12V relay which would pass through 24 V? Because the relay control is now connected to 12V, so if I maintain the control of the relay on 12V but on the operating side of the relay if I connect 24 V from the batteries would that be a problem for the relay? It seems much simpler than convert everything including relay control on 24 V...

Thanks
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Old 25-03-2018, 05:36   #2
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Re: windlass from 12 V to 24 V

Quote:
Originally Posted by GTI_16V View Post
Hello everyone... I have a situation where we need to change windlass quick (not sure the type) which runs on 12 V to a quick DP3 which runs on 24 V... We will use 24 V from the bow thruster batteries which are right below the windlass (thruster runs on 24 V)... So my question is is it possible to maintain the old 12V relay which would pass through 24 V? Because the relay control is now connected to 12V, so if I maintain the control of the relay on 12V but on the operating side of the relay if I connect 24 V from the batteries would that be a problem for the relay? It seems much simpler than convert everything including relay control on 24 V...



Thanks


That should be fine. Most important is that the relay switches no more current than it is rated for.
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Old 25-03-2018, 12:59   #3
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Re: windlass from 12 V to 24 V

If the windlass is the same wattage the power contacts side of the relay should carry half the ampage on 24V than it would on 12V. The actuator coil is however voltage rated and applying 24V to it would double the current through it and either overheat it or burn it out so, as you intend, it needs to stay on 12V.
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