SL3-50 Application Guide

Step 1 : SPD Product Selection Guide

Step 2 : Project-Specific Surge Current Selection Chart

Step 3 : Application Guide

Service Entrance Section (SES), Main Panel

Product Application

Surge Current Rating: 50 kA/Mode (100 kA/Phase)

Connection Information

Surge Current Rating
(per Mode)
VoltageConfigurationProduct NumberData SheetCircuit
Breaker
Conductor Size
(Phase, Neutral
and Ground)
50 kA480Y/277 V
208Y/120 V
120/240 V
3-Phase, 4-Wire Wye
3-Phase, 4-Wire Wye
Single/Split Phase
SL30504803YMDTM4F
SL30502083YMDTM4F
SL30502402GMDTM4F
PDF30A#10 AWG
(HPI10Y10)
Click on the “PDF” nomenclature (above) for the product data sheet.

The product numbers (above) are shown for the identified voltage configurations and include the M4 monitoring system. For other configurations of the SL3-50, see and click on the “Product Number Configuration Guide” and the “Monitoring System Selection Guide” (below).

For book specification, CLICK HERE. For sheet note spec, CLICK HERE.

Application Guide for SL3-50 Series SPDs

Surge and Temporary Overvoltage Protection (STOP) SPD

For other SL3 series product information, CLICK HERE.