Yueqing Aidun Electrical produce “SOLARSON”brand SSPV series of 10X38mm 1000VDC MC4 solar panel fuse +holder is designed to provide over-current protection for solar arrays. The use of a fuse can protect your solar array from unnecessary damage from an over-current event. Rated Current: 250A 315A 350A 400A Rated Voltage: 1000 V DC Rated breaking capacity:DC 50kA Operating class gPV and UL PV fuse link for Solar protection Yueqing Aidun Electric Co.,Ltd Add:Daidong Industrial Zone,Liushi Wenzhou,Zhejiang,325604,China contact: Brynn Lee Mobile: +86 15172449680 (24H) QQ:501735404 Wechat&what'sApp:+86 15172449680