SunBolts TUV 1500V/UL 1500V S41A is designed for 400W high power module with higher ISC, slim and wide conductive strip is for effective heat dissipation, and withstand 17A rated current. Higher current rating diode can be more reliable and better product life time, special design on clip is for easy installation and removal. S41A is TUV and UL certificated for 1000V/1500V PV field system.