The Carlo Gavazzi Through beam Photoelectric Sensor is specifically developed for the domestic and industrial door market. The sensor meets the new regulations for industrial doors in Europe. The compact size of the outdoor sensor allows easy on wall mounting without building the sensor into the wall. The sensor is easy to use and no sensitivity adjustments are necessary. The spherical lens design is superior to previous design of sensors with built in parabolic reflectors that had corrosion and dust problems. Test function is to be activated by the door controller. SPDT relay output CE and UL325 approved LED for output indication Domestic garage door control Emitter mute and gain adjustment Reverse polarity and transients protection