Square D Class 9999 SN-1 Solid Neutral Contacting Block Kit All Brands_Sumtak 3-pole bolt-on circuit breaker designed

3-pole bolt-on circuit breaker designed for 277/480V systems

This Square D QO12-24L125RB 125 Amp Load Center Panel offers dependable power distribution in a 17 5/8" x 14" housing

Housed in a durable roof enclosure measuring 47 3/4" by 25 3/4"

The system delivers clear

Square D Class 9999 SN-1 Solid Neutral Contacting Block Kit All Brands_Sumtak 3-pole bolt-on circuit breaker designedThe Square D Class 9999 SN 1 Solid Neutral Contacting Block Kit is a precision electrical component designed for industrial control applications. This kit provides reliable neutral contact switching in motor starters and contactors, ensuring consistent performance in demanding environments. Built to Square D's exacting standards, the SN 1 solid neutral contacting block delivers dependable operation across frequent cycling and heavy duty applications.