The SY-BM31-B MC4 BRANCH CONNECTOR (3F1M) The SY-BM31-B from SUNYO PHOTOVOLTAIC is an advanced MC4 BRANCH CONNECTOR (3F1M), tailored for high-performance solar panel connector accessory applications. Designed to operate within a temperature range of -40°C~+85°C, it ensures reliable performance even in challenging conditions. With a current rating of 40A, this product offers efficiency and durability.Manufactured with NaN material and compliant with ROHS standards, it is both environmentally friendly and robust. Packaged in BULK, the SY-BM31-B is an ideal choice for engineers and professionals seeking superior quality.