I did a quick check on the cost of the Joslyn 1265-85M unit [single phase,
120/240 service entry]. It is available directly from the manufacturer,
Thomas & Betts, for $1140 USD. The version for sub panels, etc is about $20
> ### go to the joslyn link below...... then click on the
> surgitron 1 series of protector's.
> ## Ok.. then scroll to bottom of page..where the various
> pdf's are located... and find the pdf marked "
> 1265-85M/MN" this is the common "single phase, 3 wire "
> variety. The M version is used on main panels that have
> the neutral and grnd bonded together. The MN version is
> for sub panels and any downstream protection, and also
> includes N-G protection. Both these versions include
> back up modules in case the primary protection blows the
> internal fuses. It will handle 1000 x 20KA hits..and comes
> with a 5 year warranty. [ It will take 12,000 x 10kA
> hits..and 400,000 x 3 KA hits]. You can even get options
> like SS cabinet or even an 'event counter' Max single
> pulse rating is 320KA .
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