The SPA103 is for installation at LPZ0B-1 or higher, protecting low voltage equipment from surge damage.
This surge protection device has a pluggable modular SPD Class 2 (Class C) for TT and TN-S power supply system.
The SPA103 is usually installed in the distribution-box or feeder bus of the UPS, protecting devices or equipment downstream.
A fuse must be installed at the upstream of the SPD/lightning arrester to ensure that the protected system has double protection.
This surge protection device can be purchased as a unit on its own or with a metal or plastic enclosure.
Three Phase Neutral Surge Protective Device
Operating Temperature Range – -40oC to +80oC