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SM662
The model SM662 is a solid-state isolator device used to monitor a mechanical switch or button and report Call status to a Nema TS-2 Controller Unit. It provides the features of a DC Isolator for use in a Nema TS2 Input Assembly, including BIU status. Switch inputs are optically isolated from the cabinet DC Supply and are protected from transient over-voltages.
- SM662: TS-2 Switch Monitor
