... protection a high grade connection is guaranteed for many Solar Junction box,Due to highly robustness,UV-resistance,the touch protection a ... ≤5mΩDia of pin or socket 3mm /4mmProtection degree(mated,junction box closed/unmated) IP65/IP2XOperating temperature -40 C to +85CInsulation material ... ,silver platedThe boxes are supplied with 2 terminals up to 6 terminals Solar Junction box