SIEMENS LOW VOLTAGE POWER MOD WS STANDARD SWITCH MAIN. 1-PHASE 3-WIRE SYSTEM RATED 120/240V (400A) 100K INTERRUPT. SPECIAL FEATURES NEMA TYPE 3R ENCLOSURE, TOP/BOTTOM SERVICE FEED. DIMENSIONS (H x W x D) IN 50.13 x 15.19 x 16.31. NOTE DOESNOT INCLUDE FUSES.