Jung 98 glow lamp for switches and buttons, 400 V ~, 0.5 mA, white

Glow lamp for switches and buttons, 400 V ~, 0.5 mA, white for rocker switches, item nos.: 503 U, 603 W, 803 W
for rocker control switches, item nos.: 502-20 KOU, 506-20 KOU, 503 KOU, 803 KOW
for heating switches, item nos.: 603 HW, 803 HW
average burning time approx. 40,000 hours.