The Omron Safety guard lock door switches has full stainless steel body. Safety door switch with electromagnetic lock and unlock mechanism means mechanical lock or solenoid unlock option available. The F3S TGR KHL3 safety door switch keeps medium to large guard doors closed until hazards have been removed. It is designed to cope with the rigorous applications of the food processing and chemical industries. Models with 6 built in contacts LED for diagnosis IP69K suitable for SIP and CIP processes Positive break contacts to IEC 6094751