SIEMENS 8WD4420-0FA Description Description SIEMENS SIGNALLING COLUMN BUZZER ELEMENT CONTINUOUS SOUND OR PULSED ADJUSTABLE, 24V AC/DC Related products SIEMENS 1FN1910-0AA20-1AA0 SIEMENS 1FN3150-4SA00-0AA0 SIEMENS 1FK7042-5AK71-1FB0 SIEMENS 1FT5072-0AC01-0-Z SIEMENS 1FN1910-0AA20-3AA0 SIEMENS 1FK7022-5AK71-1DA0
