Siemens Low Voltage Residential Generators Standby Power (Generators) - Generators Accessories are Residential Enclosures Standby Power (Generators). Sub BrandStandby Power Systems Type Manual Transfer Interlock Kit Application For use onload centers or meter combinations that will accept a QN/MD-T frame circuit breaker next to a 2-pole circuit breaker Standard UL/NEMA 1/3R Amperage Rating 225AMounting Flush or Surface Length 1 Width 5 Height 8