The YW4B-A1E21S is a blue maintained push button switch from the YW series manufactured by IDEC. The switch features a heavy-duty rugged construction and metal bezel, suitable for standard 22mm panel cut-outs for industrial applications. * Metal Bezel * 2NO-1NC contacts * Voltage rating: 600V * Current rating: 10A * 22mm panel cut-out * 23.6mm button diameter * IP65 protection rating * Self cleaning contacts * Interchangeable switch components * Dimensions: 56.8 x 30 x 41.4mm (length x width x height) https://elecena.pl/product/29744909/yw4b-a1e21s-blue-22mm-metal-bezel-maintained-push-button-switch-2no-1nc-ip65-idec 2026-01-21 https://elecena.pl/product/29744909/yw4b-a1e21s-blue-22mm-metal-bezel-maintained-push-button-switch-2no-1nc-ip65-idec 2026-01-24 https://elecena.pl/product/29744909/yw4b-a1e21s-blue-22mm-metal-bezel-maintained-push-button-switch-2no-1nc-ip65-idec 2026-01-31 https://elecena.pl/product/29744909/yw4b-a1e21s-blue-22mm-metal-bezel-maintained-push-button-switch-2no-1nc-ip65-idec 2026-02-03 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