Siemens – 3SB3921-0AE

INDICATORS, BUTTONS Siemens – 3SB3921-0AE
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ACCESSORY / SPARE PART FOR PLASTIC-/METAL PROGRAM ROUND, 22MM: FOR MOUNTING ON FRONT PLATE ADAPTER FOR MOUNTING HOLE 30.5MM; SUITABLE AS THRUST RING FOR THIN FRONT PLATES SELF-ADHESIVE MATERIAL METAL