Input signal 90.0 to 125.0 vac at55.0 to 65.0 hz, low limit range 58.0 to 59.5; high limit range 60.5 to 62.0 hz, control relay dpdt, contacts 2.0 amps. Non-inductive 28.0 dcv or 115.0 vac, temp. Minus 55.0 to plus 71.0 degrees c, high and low frequency adjust controls, o/a dim. 2.750 in. Lg, 2.375 in. W, 4.787 in. Hgt
