The Siemens MC0816B1200RT is a 200 Amp 8/16 NEMA Type 3R main breaker with a plug-on neutral feature, suitable for meter main applications. This circuit breaker, designed for single-phase AC power with a voltage of 120/240, is manufactured in the United States and has a maximum amperage of 200A. With a compact design of 24" in height and 23" in width, this gray-colored breaker from Siemens is reliable for industrial and commercial electrical setups.