We are unable to test further. We can not guarantee calibration. Item may need service or new parts. This came out of a working government facility. Pictures best represent product being sold. Has the words "Crossover" and "Normal"
The 902-12C is a twelve-pole double-throw (12PDT) dust-tight Toggle Switch with. to switch dry circuits to a maximum 1 amp for use in data, thermocouple. The series switch is protected against normal ambient dust conditions and designed.
The 902 series is designed to switch dry circuits to a maximum 1 amp for use in data. Available in 1-144 poles. Double throw, Form C. Protected again normal ambient dust conditions. Switches more circuits in less space.