Watertight IEC Pin and Sleeve Connector, 4P5W, 100A 3PH 277/480V
Reference : HBL5100C7W
Every Hubbell non-metallic Pin and Sleeve product is designed to meet the International Standard IEC 60309-1 and IEC 60309-2. This device standard calls out singly rated, non-interchangeable configuration for every voltage and type of service.