... Series Single Unit, Uncased Single Unit, Cased 1010B 1210BCT Two and Three Ganged, Uncased 30M1010B Two and Three Ganged, Cased Two Ganged Three Ganged 9.75” [247.7] 14.59” [370. 4.38” [111.1] 9.25” [235.0] Two Ganged Three Ganged 11.15” ...
... Series The 1210B operates on 120 volts and is rated for constant current of 12 amperes. The 1220B operates on 240 volts and constant current of 5 amperes. The 1210B and 1220B oper- ate from 0 to line voltage only. There is no reduction in allow- able output current up to 1500 hertz. ...