Easily fitted to hoists, roller doors, lifting platforms, rail-mounted travel units, distribution carriages and telescoping mechanisms - also to existing equipment Geared limit switches do not require any maintenance. Inf......Easily fitted to hoists, roller doors, lifting platforms, rail-mounted travel units, distribution carriages and telescoping mechanisms - also to existing equipment Geared limit switches do not require any maintenance. Infinitely variable setting of the individual switching points for all directions of movement using a screwdriver The maximum deviation from the switching points, once set, is no more than ± 2° on the output shaft over the complete life of the switch, even when using the whole range of adjustment A counting mechanism is fitted as standard for recording the operating hours and specifying maintenance intervals Provision for the installation of an electronic pulse generator for additional monitoring functions Geared limit switches are available in two designs: either of closed (DGS-G) or of open design (DGS)