Do we offer a 3-phase QO2175SB Surgebreaker?
Issue:
Is there a QO Surgebreaker that will work for 3-Phase, 208Y/120, 4-wire QO Load Centers?
Product Line:
Surge Protective Devices (SPD's)
Environment:
Installation
Resolution:
No, we do not. However, two QO2175SB Surgebreakers can be used in a QO 3-phase load center to protect a 208Y/120Vac, 3-phase, 4-wire system. To connect (2) QO2175SB units to a 208Y/120 panel, connect 1 unit to phases A & B and the other unit to phases B & C. In this case, the B phase will get double the surge current protection rating than phases A & C because it has both units connected to that one phase.
Is there a QO Surgebreaker that will work for 3-Phase, 208Y/120, 4-wire QO Load Centers?
Product Line:
Surge Protective Devices (SPD's)
Environment:
Installation
Resolution:
No, we do not. However, two QO2175SB Surgebreakers can be used in a QO 3-phase load center to protect a 208Y/120Vac, 3-phase, 4-wire system. To connect (2) QO2175SB units to a 208Y/120 panel, connect 1 unit to phases A & B and the other unit to phases B & C. In this case, the B phase will get double the surge current protection rating than phases A & C because it has both units connected to that one phase.
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