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Should the HBLSDSA40 surge device be connected to a breaker?

Issue:
 Should the  HBLSDSA40 surge device be connected to a breaker?

Product Line:
Hubbel Surge Device

Environment:
Surge protection

Cause:  
Installation and wiring

Resolution:
 Yes,  SPD should be connected to a 2 or 3 pole, 20 amp circuit breaker.
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