Microelectronic imager assemblies with optical devices having integral reference features and methods for assembling such microelectronic imagers is disclosed herein. The head section has a first jaw and a second jaw. The safety monitor includes an energy storage system power estimator and limiter, configured to estimate electrical power provided by an energy storage system, at least a portion of the electrical power converting to the first mechanical power and the second mechanical power. The contacts have respective seesaw-type beams having one ends thereof formed with portions for contact with FPC, and the other ends thereof formed with power point portions for receiving the turning force of the actuator.