Top Essential Devices in Electrical Switchgear – List

Top Essential Devices in Electrical Switchgear – List

This article provides a list of essential devices commonly used in electrical switchgear. Learn about the various components that make up switchgear systems and their functions.

Devices in Electrical Switchgear

Top Essential Devices for Electrical Switchgear

Electrical switchgear is a collection of equipment used to control, protect, and isolate electrical circuits.

The devices commonly used in electrical switchgear include:

  • Circuit breakers
  • Isolators or disconnectors
  • Load disconnect switches
  • Surge arresters
  • Fuses
  • Protective relays
  • Busbars
  • Current transformers
  • Voltage transformers
  • Lightning arresters
  • Control switches and push buttons
  • Instrument transformers
  • Capacitors
  • Contactors
  • Motor starters
  • Power transformers
  • Bus ducts
  • Shunt reactors
  • Surge capacitors
  • Air break switches
  • Vacuum circuit breakers
  • Gas-insulated switchgear (GIS)
  • Neutral grounding resistors
  • Battery chargers
  • Multifunction meters
  • Potential transformers
  • Overcurrent protection devices
  • Ground fault protection devices
  • Automatic transfer switches
  • Earthing switches
  • Maintenance switches
  • Annunciator panels
  • Synchronizing panels
  • Voltage regulators
  • Remote terminal units (RTU)
  • Power factor correction capacitors
  • Battery backup systems
  • Energy meters
  • Load shedding controllers
  • Harmonic filters
  • Lightning protection systems
  • Transformer monitoring systems
  • Protective enclosures and cabinets
  • Relay test sets
  • Transient voltage surge suppressors (TVSS)
  • Human-machine interface (HMI)
  • Thermal imaging cameras
  • Gas detectors
  • Insulation testers
  • Megohmmeters
  • Cable fault locators
  • Ground resistance testers
  • Infrared thermometers
  • Phase sequence meters
  • Motor protection relays
  • Voltage dividers
  • Insulation piercing connectors
  • Terminal blocks
  • Surge arresters
  • Arc flash sensors
  • Power quality analyzers
  • Electric power meters
  • Harmonic analyzers
  • Differential protection relays
  • Motor control centers (MCCs)
  • Power monitoring systems
  • Programmable logic controllers (PLC)
  • Motor starters
  • Disconnect switches
  • Electronic trip units
  • Time delay relays
  • Contactors
  • Switched-mode power supplies (SMPS)
  • Motor soft starters
  • Motor control panels
  • Voltage regulators
  • Overcurrent protection relays
  • Earth leakage circuit breakers (ELCB)
  • Circuit breaker analyzers
  • Power transformers
  • Variable frequency drives (VFD)
  • Programmable electronic trip units (PETU)
  • Control transformers
  • Distribution panels

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