Number
A circuit-breaker in which the contacts open and close in air at atmospheric pressure.
A circuit-breaker in which the contacts open and close in air at atmospheric pressure.
A physical object that is intended to bring air to a specified quality.
A physical object that is intended to bring air to a specified quality.
An electric generator for the production of alternating current and voltage.
An electric motor driven by alternating electric current.
A physical object that is an assembly of busbar, bus duct enclosure, busbar insulation mounts etc.
A physical object that is an assembly of busbar, bus duct enclosure, busbar insulation mounts etc.
A physical object that is a number of capacitor units connected so as to act together.
A physical object that is a number of capacitor units connected so as to act together.
A mechanical switching device that at regular intervals interrupts an electric current.
A module for control functions.
An electric generator for the production of direct current and voltage.
An electric motor for operation by direct current.
A switchgear and controlgear that is an insulated panel carrying terminals, fuses, etc, for controlling a number of subsidiary electrical circuits.
A switchgear and controlgear that is an insulated panel carrying terminals, fuses, etc, for controlling a number of subsidiary electrical circuits.
A resistance through which the neutral pint of a supply system is earthed, in order to limit the current that flows on the occurrence of an earth fault.
A heater in which electric energy is converted into heat for useful purposes.
A heater in which electric energy is converted into heat for useful purposes.
A starter in which the force for closing the main contacts is provided exclusively by electrical energy.
A starter in which the force for closing the main contacts is provided exclusively by electrical energy.
A physical object that provides reactance in a circuit.
An electrical connector in which the terminals of an electricity supply are inside holes made to receive the pins of a plug.
A switch that turns electrical current on and/or off.
A switch that turns electrical current on and/or off.