SPARE REPLACEMENT PLUG-IN CARTRIDGES FOR SURGE ARRESTORS.CLASS 2 DESCRIPTION PHOTOVOLTAIC SURGE PROTECTION DEVICE .TYPE CLASS 1 + 2 .(10/350 &FRAC14;) L-N (LIMP) 100KA .(8/20 &FRAC14;) L-L (IMAX) 100KA .MAXIMUM PV VOLTAGE (UCPV) 255 V .VOLTAGE PROTECTION (UP) < 1.5KV .FOR SURGE PROTECTOR PSC4-25 NEUTRAL .