Your advantages Simple and flexible mounting without mechanical effort Lockable to protect against unintentional machine standstill Robust metal housing for harsh environments Maximum safety (Cat. 4 / PLe) thanks to integrated transponder-coded safety engineering Everything under control Ð the safety system ESL The safety system ESL from EUCHNER is a multifunctional door handle for protecting and monitoring safety guards such as doors and flaps on machines and installations. It consists of a handle and an interlocking module equipped with the proven transponder-coded safety engineering CES. The use of transponder technology ensures maximum safety according to EN ISO 13849-1 (Cat. 4 / PLe) and provides the best possible protection against tampering. With the installed CES AR evaluation electronics, up to 20 safety systems ESL or other EUCHNER AR-version products can be connected in series. The ESL is equipped with two easily visible LEDs for status indication, permitting rapid diagnosis. More information The compact and symmetrical design permits simple mounting on profile rails and allows use on doors hinged on the left and right. The metal housing suitable for industrial use features a sturdy door stop and is ideal for use in harsh conditions. The device is conveniently connected via an M12 plug connector. Depending on the cable routing, the position can be rotated by 180 degrees. As additional protection against unintentional opening, the safety system ESL is equipped with a lock.