The safety hand switch is part of our Liquid Lightguide 4581.1800: The shutter can be opened by pulling and holding back the magnetic hand switch. Releasing the hand switch closes the shutter automatically. To avoid unintended exposure of light the hand switch can be locked with the clamp.
Discription: Liquid Lightguide Series 300, Ø5mm x 1800mm, Light entrance: Lumatec D, sliding contacts, Light exit: Lumatec F, Safety hand switch, Aluminum/PVC grey sheathing