Vintage quality and rare russian single-pole toggle switch type VBT-1 (ВБТ-1) - 5A/220V is intended for work in electrical chains of direct and alternating current, for manual switching of low voltage electrical circuits of low power, which do not demand frequent switching. VBT-1 switch in an ancestor and direct replacement of the more common TV1-1 (TB1-1) switch. Mounting type: on the panel. Number of contacts: 4. Contact material: silver. Number of switching cycles: 10 000. Lever: metallic (aluminium). Dimensions are in the gallery. New old stock witches. Year of production: 1966.