Siemens Low Voltage RP1 Unassembled Lighting Panel. Dimensions (H x W x D) IN: 68.0 x 20.0 x 5.75. 3-Phase 4-Wire allows 42 circuits user selects Main Device (Lug/Breaker). Rated 480Y/277V (400A). Special features: tin-plated aluminum main bus, subfeed space included
