Square D SDSA2040 Surge Protection Device, Surgelogic, 40kA, 208Y/120 VAC, 3 phase, 4 wire, NEMA 4X NOS The floats we use have

The floats we use have a specific gravity of

and materials

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Maximum Vacuum: 23 IWG

Using citric acid

Square D SDSA2040 Surge Protection Device, Surgelogic, 40kA, 208Y/120 VAC, 3 phase, 4 wire, NEMA 4X NOS The floats we use haveSquare D SDSA2040 Surge Protection Device, Surgelogic, 40kA, 208Y 120 VAC, 3 phase, 4 wire, NEMA 4X Square D load center surge protective devices, SDSA2040, are easy to install plug in units that install as quickly as a standard circuit breaker. The surge suppressors use two pole spaces in a QO or Homeline load center, or NQ panelboard. US and Canadian UL Listed as Type 2 SPD to the UL 1449 standard. Complies with requirements of NEC Article 285, CSA