A switch that turns electrical current on and/or off.
An electronic converter that changes direct electric current to single-phase or polyphase alternating currents.
A detector that is intended to sense a flame.
A gauge that is intended to display a representation of a measured level.
A valve that is regulated with hand power.
A physical object used in or in connection with a piping system.
An electric converter for converting an alternating current into a direct current.
A filter that is separating solid particles from a fluid by passing the fluid through a wire mesh, screen or metal plates containing perforations or slits.
An ac power supply unit that maintains a continuous supply of electric power to the equipment it protects.