Connector for Photovoltaic System ST4 Protected IEC 60068-2-52 Robust housinf, Dust and Water- Proof IP 68 (1m/1h) UV, Ammonia, safety class II Safety requirement and test as per IEC 62852, EN 62852Technical Data Order Information Post navigation Previous ServiceST4 – 1500V Next ServiceST5 – Branch Connectors