SM series waterproof joints are mainly used for photovoltaic modules , photovoltaic combiner boxes ,photovoltaic inverters , etc. in photovoltaic power generation systems . Its waterproof performance reaches IP67 , contact resistance is less than 0.5 ohm ,easy to disassemble and use , and can effectively prevent insulation aging and arc fire caused by poor contact in the system .
The upper limit of ambient air temperature shall not exceed + 105C , and the lower limit of air temperature shall not be lower than-40c;
The maximum temperature during use shall not exceed + 85C and the minimum temperature shall not be lower than – 40C ;
Pollution level : 2 ;
Safety level : Il;
Protection grade : IP67.