Control Relay Panel Definition

A relay is basically another word for a switch. A control relay is in essence a switch that is controlled by electrical current a control relay is an electrical component that opens or closes a switch in order to allow current to flow through a conducting coil with the coil not coming into direct contact with the switch. Relays are used where it is necessary to control a circuit by an independent low power signal.

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A relay is used to energize the starter which in turn switches the motor voltage while the plc controls the relay.

Control relay panel definition.

It could be a switch that turns something on off or a switch that alternates between two items. A relay is an electrically operated switch it consists of a set of input terminals for a single or multiple control signals and a set of operating contact terminals the switch may have any number of contacts in multiple contact forms such as make contacts break contacts or combinations thereof. The control relay panels are complete in themselves with all main and auxiliary relays annunciation relay fuses links switches wiring labels terminal blocks earthing. Control relays are an extremely important electrical part and they play a vital role in today s electronic devices.

However dc voltage or supply voltage may differ according to the panel requirement such as 30v dc 110v dc 220v dc etc. Control panel works based on the plc dcs program or the relay logic. Instruments are normally connected to control panel. Use of control relay panel is not only limited in substations owned and operated by electrical utilities but also essential in.

Control relays and timers whether you re a machine builder or end user control panel designer or facility maintenance manager eaton s expansive offering of relay options with customization capabilities can meet your specific application requirements. The control relay panels are designed manufactured as per voltage class of substations like 11kv 33kv 66kv 132kv 220kv and 400kv etc. Relay panels lighting products. Track light limiting panel.

In turn a relay panel is a panel that holds one or more relays that sends power or signal to equipment based upon the input received. Greenmax drc room control system inform intellect intense lighting irc. Wired to provide a control sequence relays may also be used for simple control schemes where a plc would prove uneconomical. A control relay panel is designed to provide to control the associated line or transformer through outdoor switchgear at various 11kv and 33kv zonal substations.

A plc may be used to control the operation of a medium voltage motor perhaps 2 300v or 4 160v. You can think of a relay panel kind of like a dispatch service. Indications for the interlocks also will be there in control panel.