https://shop.waltherelectricusa.com/walther-electric-431706-pin-and-sleeve-receptacle-32a-7-wire-400-vac-6hr-ip44-splashproof-730r6-industrial-grade-iec-red/
Walther Electric 431706 Pin and Sleeve Receptacle 32A 7 Wire 400 VAC 6Hr IP44 Splashproof - 730R6...
Walther Electric is the North American Headquarters for Walther-Werke