Siemens Low Voltage s Multi-Family Metering Line of Power Mod WSPD Surge as part of the Power Mod Auxillary Devices Group. Dimensions (H x W x D) IN 29.19 x 13.38 x 7.91. 1-Phase 3-Wire 120/240V surge current (200 kA). Disconnect mechanismHEG Breaker. Special features 1200 A thru-bus rating, NEMA 3R rated, enclosure ANSI 61 painted, latches and rivets are stainless steel.