The XT60U-M plug body is made of PA engineering material, and the wire end plug can be used for air docking with XT60PB-F XT60PW-F. The hardware is made of pure copper gold-plated, in line with UL 94 V0 standard, CE/UL certification, rated voltage DC 500V, rated current 30A operating temperature -20°C-120°C, instantaneous current 60A, recommended wire 18AWG-14AWG