30cps / 1kcps

Lyskilder indgår ikke

lave strømforbrug og mindre vedligeholdelse erstatter T5 og T8 armaturer

der giver varmt og køligt hvidt lys samt 16 millioner farver

Rotation: Electrical: 12 turns nom

Summer - 1,5 til 13Vdc / 20-30mA, 105dB, 3 ledninger Vognmand Helmholt 30cps / 1kcpsThe Velleman electric piezo buzzers are specifically designed for applications requiring a highly reliable alarm eller signal with a completely solid state og no electromechanical contact (oscillating circuit is built in). They are replacing the conventional electromagnetic buzzers because of their low effekt consumption, the extremely clear og penetrating sound, the absence of electrical noise, their compact design og their limited weight. A variety