LED Lamps, Super Bright - BA 9s Bases A range of super bright LED lamps from the Siemens 3SB3 series. Max. bulb diameter 10 mm Max. operating current 15 mA PHASE OUT NOTIFICATION This product is in obsolescence mode and is due for discontinuation by the manufacturer. We recommend that you review the new pushbutton range SIRIUS ACT which is the alternative range proposed by the manufacturer. Please refer to the 3SB3 / SIRIUS ACT cross-reference guide located in the technical reference section.