I should confirm the product first. Square D does have SSNI circuit breakers, part of their Powerpact series. The SSNI-700 might be a 700A breaker. Alternatively, "700" could be an internal component. The user might not know the exact part name, so they refer to it as a "piece".
I should confirm the product first. Square D does have SSNI circuit breakers, part of their Powerpact series. The SSNI-700 might be a 700A breaker. Alternatively, "700" could be an internal component. The user might not know the exact part name, so they refer to it as a "piece".