Small and light weight; Finger - safe screw terminals; Protection class: IP20 (IEC60529) (front panel is IP65); Modular contact block makes installation and removal easie; New key selector switch, one piece indicators, making models more complete! Comply with international standards for emergency stop switch; With lighting and non-lighting type; With a direct opening action (IEC60947-5-1 Annex K); With safety locking mechanism (IEC60947-5-5 6.2), LEDs adopts large lampshade to ensure a broader perspective and scope, and to enhance security; Button, shade and shield are matte surface, reduced glare caused by ambient light; In accordance with EN standards.