Step 1 : SPD Product Selection Guide
Step 2 : Project-Specific Surge Current Selection Chart
Step 3 : Application Guide
Panelboards
Product Application
Surge Current Capacity: 125 kA/Mode (250 kA/Phase)
Connection Information
| Surge Current Rating (per Mode) | Voltage | Configuration | Product Number | Data Sheet | Circuit Breaker | Conductor Size (Phase, Neutral and Ground) |
|---|---|---|---|---|---|---|
| 125 kA | 480Y/277 V 208Y/120 V 120/240 V | 3-Phase, 4-Wire Wye 3-Phase, 4-Wire Wye Single/Split Phase | PX31254803YMSTM4F6 PX31252083YMSTM4F6 PX31252402GMSTM4F6 | 100A | #2 AWG |
The product numbers (above) are shown for the identified voltage configurations, with a surface mount and top feed panel extension enclosure, and includes the M4 monitoring system; also the matched color for Square D/Schneider. For other configurations of the PX3-125, see and click on the “Product Number Configuration Guide” and the “Monitoring System Selection Guide” (below).
For sheet note spec, CLICK HERE.
Application Guide for PX3-125 Series SPDs
Panelboard Application
For other PX3 series product information, CLICK HERE.