Since it's a latching relay, it seems to me that it would be safe
to pulse it at the full 24 volts.  The relay coil should act like an
inductor and the current would just ramp up twice as fast as it would at
12 VDC.  By limiting the pulse width, you limit the the current,
protecting the relay.  You may want to include a single PTC thermistor
(like a Raychem Polyswitch) in the +24V supply to the relay to protect
it, just in case.


Harold



Harold Hallikainen
harold@hallikainen.com
Hallikainen & Friends, Inc.
See the FCC Rules at http://hallikainen.com/FccRules and comments filed
in LPFM proceeding at http://hallikainen.com/lpfm


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