CLASSIFICATION KH-516 - A 1 2 - R (12) 1 2 3 4 5 6 1 Model KH-516 KH-516L Filament Lamp LED 2 Button Type A B C D K Square type Rectangular type Round type Emergency push button type Key switch 3 Operating function 0 1 2 3 4 5 Pilot lamp Illuminated push button type Illuminated push lock, push release type Push button type Push lock, push release type Key type 4 Contact 0 1 2 Pilot lamp 1a+1b 2a+2b 5 Button color R G Y O W B C Red Green Yellow Orange White Blue Clear 6 Rated Voltage 6 12 24 6V 12V 24V SPECIFICATIONS A Type B Type C Type Square Type Rectangure Type Round Type KH-516-A00 KH-516-B00 KH-516-C00 KH-516-A11 KH-516-A12 KH-516-B11 KH-516-B12 KH-516-C11 KH-516-C12 KH-516-A21 KH-516-A22 KH-516-B21 KH-516-A22 KH-516-C21 KH-516-C22 KH-