OSRAM high-quality starters ST 111, ST 151, ST 171, ST 172, ST 173 and ST 191.OSRAM starters ignite every time, reliably and quickly. And they are gentle on lamps. Each starter is subjected to strict manufacturing and quality control tests.All starters have a self-extinguishing insulated casing made of Makrolon and meet the conditions laid down for protection class II.They are equipped with a special compensating capacitor (foil winding capacitor), are VDE approved and carry the ENEC and VDE marks.To ensure reliable ignition we recommend that you also replace the starter when you replace the lampexcept in the case of DEOS.The features and benefits of DEOS ST 171, DEOS ST 172 and DEOS ST 173 safety starters are as follows:DEOS ST 171, DEOS ST 172 and DEOS ST 173 are safety startersDEOS ST 172 is a safety starter for series circuits (tandem circuits).DEOS ST 171, DEOS ST 172 and DEOS ST 173 are designed to operate with conventional control gear (CCG) and low-loss gear (LLG).They reliably disconnect burnt-out or faulty lamps under inductive or capacitive operating conditions.They are instantly ready for operation when the red button is pressed in (there must be an audible click).The automatic cut-out circuit protects the choke and the starter itself.Their service life is four times that of conventional starters.To ensure reliable ignition the DEOS ST should be replaced after every four lamp replacements.Temperature range for reliable cut-out: -20°C to +80°C.
