Glow unit 230 V~, 0.9 mA module inserts gray - for rocker switch 2-pole Off 16 AX - for rocker switch double Off/Change - for rocker button 2 x Change - for lighting and control circuit When using several glow units, the lamp current can lead to malfunction of the relay/impulse switch. Remedy: Connect a capacitor 230 V, 1 F per 10 mA glow lamp current in parallel to the coil.