Schlegel Contact 631536 - Schlegel BTLI5, The Schlegel BTLI5 is a lighted push-button contact maker with a bulb holder, designed for use in momentary applications. This component operates at a voltage of 250 V and features two normally open contacts. It is typically used in control panels and electronic interfaces where clear indication and reliable momentary switching are required. Schlegel BTLI5 Contact & Bulb Holder 2 Makers Momentary 250V 1pc