Does anyone have some formulas for calculating switch contact ratings? Something that would give me the breaking AC & DC voltage and current that the contacts would be expected to handle.
I am trying to find a method of calculating the operating voltage of a series of relay coils. These relays/coils are drop in replacements for Otis Elevator controllers. The relays are used for energizing elevator door motors, the elevator motor, releasing the elevator brake, just about...
I have the manufacturing data on several relays (coil windings, wire gauge, core type, etc.)used in elevator controls. Is there a way to estimate the voltage they were intended to work at?
