Switching devices in the nature of time relays, delay timers, safety control modules for emergency stop applications, electronic display interfaces, relays; Data bus controls, namely, programming devices for controlling safety data buses and devices for monitoring information passed between pieces of equipment on a safety data bus system; Monitoring switchgear; Surveying, measuring, signaling and checking and supervision apparatus and instruments for use in machine safety guarding, namely, sensors for monitoring electronic, electromechanical, optoelectronic and magnetic signals, power continuity test apparatus for use with electrical circuits, safety light curtains, laser scanners and tactile safety monitoring devices, namely, safety edges, safety mats and alarms that utilize pressure sensitive pads to monitor movement of persons; Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, adapters, electricity conduits, input expanders and output expanders; Photo-electric detector, namely, sensor; Standstill monitors, namely, monitoring devices which detect and monitor a standstill of machinery; Momentum transmitters, namely, cable pull switches, rotating spindle limit switches, slack-wire switches and belt alignment limit switches; Monitoring sensors, namely sensors for guard door monitoring, safety-monitoring modules and monitoring position and speed of machinery; Electric locks, namely, non-contact, electric, magnetic and electromechanical locks; Electric and magnetic elevator door controls; Bumpers for electrical signal generation, namely, safety edges which generate electric signals; Optoelectronic devices, namely, safety monitoring modules; Safety mats, namely, pressure-sensitive pads and mats to monitor movement of persons; Controllers, in particular electronic, memory-programmable or permanent-programmable controls for industrial safety equipment; Electronic and electromechanical monitoring apparatus for industrial safety equipment; Electric, magnetic and electromechanical switches, in particular safety, limit, level, position, pull-wire, emergency, two-hand, micro-, emergency stop, foot and proximity switches; Data buses and components therefor, namely, universal serial bus (USB) hardware and safety fields bus systems hardware; Electrical and electronic control switches for the input of operation mode; Lift monitoring and switching apparatus, namely, lift ultrasonic position system, lift magnetic reed switches, lift position switches, lift floor switches, lift fine adjustment switches; Remotely controlled safety circuit, area and surface protection components for entry, danger point or danger zone guards, namely, components for tactile safety devices in the form of alarms that utilize pressure sensitive pads and mats to monitor movement of persons; Evaluation apparatus for identifying an electrical or electronic component or its status; Safety equipment, namely, light grids for use as entry, danger point or danger zone guards; Test units, namely, power continuity test apparatus for use with electrical circuits; Signal lamps, namely, indicator lights for safety equipment; Laser scanners for industrial inspection; Electric control panels

Design and development of optoelectronic apparatus and design and development of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; Design and development of safety concepts for machines and mechanical installations, and for chemical engineering and process technology apparatus and installations, design and development of surveying, measuring, signaling, checking and supervision apparatus and instruments; Design and development of electronic and electromechanical monitoring apparatus; Engineering services