Siemens SpeedFax™ Main Breaker Load Center, Series: ES Series, 120/240 VAC, 200 A, 22 kA Interrupt, 40 Circuits, MBK200A Breaker, 3-Wire Wiring Configuration, 200 A Bus Rating, 20 Spaces, NEMA 1, 30 in H x 14-1/4 in W x 3-7/8 in D Enclosure Box, Aluminum Housing