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How to wire the SDSA2040, SDSA4040, or SDSA3650 on single phase application.

Issue:
Single Phase application for SDSA2040, SDSA4040, and SDSA3650 SPDs

Product Line:
Surge Protection Device

Environment:
Single Phase Wring

Cause:
Wiring

Resolution:
The Square D brand SDSA3650, SDSA4040, SDSA2040 SPD can be configured to work in solidly grounded single phase applications. These SDSA SPDs are a four wire devices and will require the additional high leg of the SPD to be doubled up with either one of the other high legs.
Single Phase Wring of the SDSA 3-Phase SPDs






































*NOTE: When installing the SPDs into these applications it should be installed in accordance with all local codes and requirements.

Schneider Electric USA

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