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Can a Fourth(4th) pole be added to a 3 pole, 600amp Double Throw Safety Switches (like a DTU366 or a DTU326)?

Issue:
Product Design Features 

Product Line:
Double Throw Safety Switches

Environment:
Additional poles

Cause:
Application

Resolution: 
No, additional Poles CANNOT be added to Any safety switch in the field. Consider using the 4 pole switches(SEE THE CURRENT DIGEST FOR CATALOG NUMBERS) 
 
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