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    • Home 2 AC Powered EV Charger
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      • Back
      • Diode and RC Supressors
    • Automotive Fuses
    • Automotive Current Sensors
    • Meters for Electric Vehicle Chargers
    • E-Bike Technology
    • Split Core Current Transformers
    • Split Core AC Current Sensors with Process Outputs
    • DC Current Sensors with Process Outputs
    • Hall Effect Current Sensors
    • Hall Effect Current Sensors PCB Mount
    • Hall Effect Voltage Transducers
    • Din Rail Mount Energy Transducers
  • Process Control
    • Temperature/Humidity Controllers
      • Back
      • 48x24mm Panel Mount
      • 48x48mm Panel Mount
      • 48x96mm Panel Mount
      • 96x96mm Panel Mount
      • Dual Loop Temperature and Humidity
      • 98x48mm Indicators
      • Pattern Controllers
      • Limit Controllers
      • PWM Controllers
      • Refigeration Controllers
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      • Back
      • BSP Fittings and TC Cable
      • RTD's
      • Thermocouples
      • Bimetal Switches
      • Air Temp & Humidity Sensors
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      • Solid Core AC Current Transformers with Process Outputs
      • Split Core AC Current Transformers with Process Outputs
      • DC Current Sensors with Process Outputs
    • Motors & Motor Control
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      • Motor Protection Breakers
      • Motors, Alternators, Starter Motors
      • Speed Relays, Encoders, PWM Contactors
      • Din Rail Mount Contactors
    • Programmable Logic Controllers (PLC)
    • HMI Touch Screens
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    • Mechanical Relays
    • Hour Meters
    • Microswitches
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    • Phase Angle Power Controllers
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      • Thyristor (SCR Based)
      • Solid State Relay (SSR) Based
    • Burst Fire Power Controllers
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      • Thyristor (SCR Based)
      • Solid State Relay (SSR) Based
    • Accessories/Spare parts and OEM Power Controller card sets
    • Pulse Transformers
    • Power Factor Controllers
    • PWM Controllers (HVAC)
  • Power Quality
    • EMC Filters
    • IEC Power Sockets & Plugs
      • Back
      • Sockets with Filter
      • Socktes and plugs without Filter
    • Power Factor Correction
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      • 3 Phase PFC Capacitors
      • Single Phase PFC Capacitors
      • MV Power Factor Capacitors
      • Capacitor Duty Contactors
      • SVG Modules & Smart Capacitor Banks
      • PFC Controllers
      • Power Factor Meters and Transducers
      • Detuned Reactors
    • Pulse Transformers
    • Chokes
    • Smart Sub Meters and Power Quality Analysers
    • Utility Scale Meters
  • Electrical Measurement
    • Hall Effect Current Sensors/Transducers
      • Back
      • Split Core AC Current Sensors Process Output
      • Solid Core AC Current Sensors with Process Outputs
      • DC Current Sensor with Process Outputs
      • Panel Mount
      • Busbar Mount
      • Surface Mount
      • PCB Mount
      • Automotive Sensors
      • LEM Accessories
    • Hall Effect Voltage Sensors/Transducers
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      • PCB Mount
      • Panel Mount
    • Current Transformers
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      • Solid Core
      • Split Core
      • Solid Core with Process Output
      • Split Core with Process Output
      • Core Balance CT's
    • Rogowski Coils (Rope CT's)
    • High Frequency 20Mhz or DC Current Sensors
    • High Precision Hall Effect Sensors
    • Clamp On Current Sensors
    • Signal Conditioners
    • Din Rail Mount Transducers
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      • Current
      • Voltage
      • Power
    • Digital Panel Meters
    • Synchronometers
    • kWh Meters
    • Utility Smart Meters, Tariff, ICG Meters
    • Power Quality Meters and Analysers
    • Moving Coil Meter
    • DC Current Shunts
  • Power Capacitors
    • Snubber Capacitors
    • Power Factor Correction
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      • Medium Voltage up to 22kV
      • Single Phase 525V
      • 3 Phase 525V
    • DC Link & Electrolytic Capacitors
    • 3 Phase 525V Power Factor Correction Capacitors
  • Power Semiconductors
    • Bridge Rectifiers
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      • Single Phase
      • Three Phase
    • Isolated Power Modules
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      • Dual Diode Modules
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      • Single Thyristor(SCR) Modules
      • Common Cathode Modules
    • Stud Mount Diodes and Thyristors(SCR)
      • Back
      • Metric Stud Diodes & Thyristors(SCR)
      • Imperial Diodes and Thyristors(SCR)
      • Flat Base Diode and Thyristor(SCR)
    • Capsule (PUK) Devices
      • Back
      • Diode Capsules
      • Thyristor(SCR) Capsules
    • Press Fit Diodes
    • IGBT
      • Back
      • IGBT Devices
      • IGBT Drivers
    • Other Welding & Generator Diodes
    • Silicon Carbide Modules
    • Discrete Components (limited)
    • Semiconductor Fuses
      • Back
      • BS88 Style Fuse Links
      • European NH Style Fuses
      • Cartridge Fuses & DIN Rail Holders
      • Fuse Kits for Gear Tray
      • Solar Fuses for DC or AC
  • Solid State Relays
    • AC Control Solid Sate Relays
    • DC Control Solid Sate Relays
    • AC Switching Solid State Relays
    • DC Switching Solid State Relays
    • Proportional Phase/Burst SSR
    • 3 Phase Solid State Relays
    • Solid State Relay Heatsink
    • 3 Phase Solid State Relays On Heatsink
    • Solid State Relay & Heatsink Assembled
      • Back
      • AC Load
      • DC Load
      • 3 Phase
    • PCB Mount
    • Slimline & Socket Din Rail Mount
    • Solid State Contactors
    • Cartridge Fuses up to 125 Amp
  • Contactors
    • AC/DC Contactors (IP67K)
      • Back
      • TVS Supression Diodes
    • DIN Rail Mount AC Contactors
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      • Auxiliary Contacts
      • Thermal Overload Relays
      • Diode and RC Supressors
    • Miniature Contactors
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      • Auxiliary Contacts
      • Thermal Overload Relays
      • Diode and RC Supressors
    • Installation Contactors
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      • Auxiliary Contacts & Terminal Covers
    • Capacitor Duty Contactors
    • MV and HV Contactors
    • Solid State Contactors
    • Motor Protection Switches
  • Relays
    • Monitoring Relays
    • Standard DIN Rail Mount Relays
    • Slimline Relays & Sockets
    • Bistable Relays
    • Time Relays
    • Earth Leakage Relays
    • Diode and RC Supressors
  • Energy Monitoring
    • DIN Rail Mount Transducers
      • Back
      • Current
      • Voltage
      • Power
    • kWh Meters
    • Current Transformers
    • Rogowski Coils (Rope CT's)
    • Monitoring Relays
    • Synchrometers
    • Wi-LEM Wireless Energy Monitoring
    • Ergo Energy Monitoring Software
    • Smart Sub-Meters and Power Quality Analysers
    • Battery Monitoring
    • Digital Panel Meter
    • Utility Smart Meters, Tariff, ICG Meters
  • Electrical Protection
    • Semiconductor Fuses
      • Back
      • BS88 Style Fuse Links
      • European NH Fuses
      • Cartridge Semiconductor Fuses/DIN Rail Holders
      • Fuse Kits for Gear Tray or Heatsink Mounting
      • Solar Fuses (New)
      • Automotive Power Fuses
    • Appliance & IEC Fuses
    • Appliance Thermal Circuit Breakers
    • Varistors (MOV)
    • Diode & RC Supressors
    • Surge Protection Devices
    • Snubber Capacitors
    • Earth Leakage Relays
    • Monitoring Relays
    • Mechanical Relays
    • Solar Fuses for DC or AC
    • Motor Protection Breakers
    • Residual Current Device (RCD)
    • Miniature Circuit Breakers (MCB)
    • DC Miniature Circuit Breakers (MCB)
    • RCBO's
  • Switches
    • Solar and Battery Switches
    • Momentary Switches
    • Metal Line Switches
    • Bistable Switches
    • Emergency Start Stop Buttons
    • Motor Protection Breaker
    • Low Voltage Disconnect Switches
    • DC Circuit Breakers
    • Appliance Circuit Breakers
    • Bimetal Thermal Switches
  • Heat Sink
    • Heatsink Extrusions
    • Cooling Fans
    • Heatsink for SSR's
    • Water Cooled
    • Natural Cooled
    • Fan Cooled
    • Clamps, Paste, Hardware
  • Stack Assemblies
    • Solid State Contactors
    • Bridge Rectifier Stacks
    • Water Cooled Stacks
    • High Voltage Diode Arrays
    • Welder/Charger Rectifier Stacks
    • Repair Accessories for Stacks
  • Test Equipment
    • High Precision Current Sensors
    • Precision Potentiometers
    • Power Semiconductor Test Equipment
    • Portable Meters & Power Quality Analysers
    • Clamp On Current Sensors
    • Synchrometers
    • High Frequency 20MHz or High DC Current Sensor
  • Low Voltage Switchgear
    • Motor Protection Switch
    • DC Circuit Breakers
    • DC Disconnect Switches
    • Metal Line Switches
    • Din Rail Mount Contactors
    • Standard Relays and Sockets
    • Bistable Relays
    • Slimline Relays and Sockets
    • Appliance Thermal Circuit Breakers
    • AC Disconnect Switches
    • Moulded Case Circuit Breakers (MCCB)
    • Miniature Circuit Breakers (MCB)
    • Residual Current Circuit Breakers (RCCB,RCD)
    • RCD with Circuit Breaker (RCBO)
    • Distribution Board Enclosures
    • Panel Indicators
    • Emergency Stop Buttons
    • Installation Contactors
    • RC and Transient Supressors
  • Appliance Connectors, Switches and Fuses
    • IEC Fuses
    • Fuse Holders
    • Micro Fuses (PCB)
    • Thermal Circuit Breakers & Rocker Switches
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    • Metal Line Switches
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All Departments
  • E-Mobility
    • Home 2 AC Powered EV Charger
    • AC & DC Sealed Contactors
      • Back
      • Diode and RC Supressors
    • Automotive Fuses
    • Automotive Current Sensors
    • Meters for Electric Vehicle Chargers
    • E-Bike Technology
    • Split Core Current Transformers
    • Split Core AC Current Sensors with Process Outputs
    • DC Current Sensors with Process Outputs
    • Hall Effect Current Sensors
    • Hall Effect Current Sensors PCB Mount
    • Hall Effect Voltage Transducers
    • Din Rail Mount Energy Transducers
  • Process Control
    • Temperature/Humidity Controllers
      • Back
      • 48x24mm Panel Mount
      • 48x48mm Panel Mount
      • 48x96mm Panel Mount
      • 96x96mm Panel Mount
      • Dual Loop Temperature and Humidity
      • 98x48mm Indicators
      • Pattern Controllers
      • Limit Controllers
      • PWM Controllers
      • Refigeration Controllers
    • Temperature & Humidity Sensors
      • Back
      • BSP Fittings and TC Cable
      • RTD's
      • Thermocouples
      • Bimetal Switches
      • Air Temp & Humidity Sensors
    • AC/DC Current Sensors with Process Outputs
      • Back
      • Solid Core AC Current Transformers with Process Outputs
      • Split Core AC Current Transformers with Process Outputs
      • DC Current Sensors with Process Outputs
    • Motors & Motor Control
      • Back
      • Motor Protection Breakers
      • Motors, Alternators, Starter Motors
      • Speed Relays, Encoders, PWM Contactors
      • Din Rail Mount Contactors
    • Programmable Logic Controllers (PLC)
    • HMI Touch Screens
    • Signal Conditioners
    • Timers
    • Monitoring Relays
    • Rotary Encoders
    • Pressure/Pneumatic Components
    • Mechanical Relays
    • Hour Meters
    • Microswitches
  • Power Control
    • Phase Angle Power Controllers
      • Back
      • Thyristor (SCR Based)
      • Solid State Relay (SSR) Based
    • Burst Fire Power Controllers
      • Back
      • Thyristor (SCR Based)
      • Solid State Relay (SSR) Based
    • Accessories/Spare parts and OEM Power Controller card sets
    • Pulse Transformers
    • Power Factor Controllers
    • PWM Controllers (HVAC)
  • Power Quality
    • EMC Filters
    • IEC Power Sockets & Plugs
      • Back
      • Sockets with Filter
      • Socktes and plugs without Filter
    • Power Factor Correction
      • Back
      • 3 Phase PFC Capacitors
      • Single Phase PFC Capacitors
      • MV Power Factor Capacitors
      • Capacitor Duty Contactors
      • SVG Modules & Smart Capacitor Banks
      • PFC Controllers
      • Power Factor Meters and Transducers
      • Detuned Reactors
    • Pulse Transformers
    • Chokes
    • Smart Sub Meters and Power Quality Analysers
    • Utility Scale Meters
  • Electrical Measurement
    • Hall Effect Current Sensors/Transducers
      • Back
      • Split Core AC Current Sensors Process Output
      • Solid Core AC Current Sensors with Process Outputs
      • DC Current Sensor with Process Outputs
      • Panel Mount
      • Busbar Mount
      • Surface Mount
      • PCB Mount
      • Automotive Sensors
      • LEM Accessories
    • Hall Effect Voltage Sensors/Transducers
      • Back
      • PCB Mount
      • Panel Mount
    • Current Transformers
      • Back
      • Solid Core
      • Split Core
      • Solid Core with Process Output
      • Split Core with Process Output
      • Core Balance CT's
    • Rogowski Coils (Rope CT's)
    • High Frequency 20Mhz or DC Current Sensors
    • High Precision Hall Effect Sensors
    • Clamp On Current Sensors
    • Signal Conditioners
    • Din Rail Mount Transducers
      • Back
      • Current
      • Voltage
      • Power
    • Digital Panel Meters
    • Synchronometers
    • kWh Meters
    • Utility Smart Meters, Tariff, ICG Meters
    • Power Quality Meters and Analysers
    • Moving Coil Meter
    • DC Current Shunts
  • Power Capacitors
    • Snubber Capacitors
    • Power Factor Correction
      • Back
      • Medium Voltage up to 22kV
      • Single Phase 525V
      • 3 Phase 525V
    • DC Link & Electrolytic Capacitors
    • 3 Phase 525V Power Factor Correction Capacitors
  • Power Semiconductors
    • Bridge Rectifiers
      • Back
      • Single Phase
      • Three Phase
    • Isolated Power Modules
      • Back
      • Dual Diode Modules
      • Dual Thyristor Modules
      • Thyristor(SCR)-Diode Modules
      • Single Diode Modules
      • Single Thyristor(SCR) Modules
      • Common Cathode Modules
    • Stud Mount Diodes and Thyristors(SCR)
      • Back
      • Metric Stud Diodes & Thyristors(SCR)
      • Imperial Diodes and Thyristors(SCR)
      • Flat Base Diode and Thyristor(SCR)
    • Capsule (PUK) Devices
      • Back
      • Diode Capsules
      • Thyristor(SCR) Capsules
    • Press Fit Diodes
    • IGBT
      • Back
      • IGBT Devices
      • IGBT Drivers
    • Other Welding & Generator Diodes
    • Silicon Carbide Modules
    • Discrete Components (limited)
    • Semiconductor Fuses
      • Back
      • BS88 Style Fuse Links
      • European NH Style Fuses
      • Cartridge Fuses & DIN Rail Holders
      • Fuse Kits for Gear Tray
      • Solar Fuses for DC or AC
  • Solid State Relays
    • AC Control Solid Sate Relays
    • DC Control Solid Sate Relays
    • AC Switching Solid State Relays
    • DC Switching Solid State Relays
    • Proportional Phase/Burst SSR
    • 3 Phase Solid State Relays
    • Solid State Relay Heatsink
    • 3 Phase Solid State Relays On Heatsink
    • Solid State Relay & Heatsink Assembled
      • Back
      • AC Load
      • DC Load
      • 3 Phase
    • PCB Mount
    • Slimline & Socket Din Rail Mount
    • Solid State Contactors
    • Cartridge Fuses up to 125 Amp
  • Contactors
    • AC/DC Contactors (IP67K)
      • Back
      • TVS Supression Diodes
    • DIN Rail Mount AC Contactors
      • Back
      • Auxiliary Contacts
      • Thermal Overload Relays
      • Diode and RC Supressors
    • Miniature Contactors
      • Back
      • Auxiliary Contacts
      • Thermal Overload Relays
      • Diode and RC Supressors
    • Installation Contactors
      • Back
      • Auxiliary Contacts & Terminal Covers
    • Capacitor Duty Contactors
    • MV and HV Contactors
    • Solid State Contactors
    • Motor Protection Switches
  • Relays
    • Monitoring Relays
    • Standard DIN Rail Mount Relays
    • Slimline Relays & Sockets
    • Bistable Relays
    • Time Relays
    • Earth Leakage Relays
    • Diode and RC Supressors
  • Energy Monitoring
    • DIN Rail Mount Transducers
      • Back
      • Current
      • Voltage
      • Power
    • kWh Meters
    • Current Transformers
    • Rogowski Coils (Rope CT's)
    • Monitoring Relays
    • Synchrometers
    • Wi-LEM Wireless Energy Monitoring
    • Ergo Energy Monitoring Software
    • Smart Sub-Meters and Power Quality Analysers
    • Battery Monitoring
    • Digital Panel Meter
    • Utility Smart Meters, Tariff, ICG Meters
  • Electrical Protection
    • Semiconductor Fuses
      • Back
      • BS88 Style Fuse Links
      • European NH Fuses
      • Cartridge Semiconductor Fuses/DIN Rail Holders
      • Fuse Kits for Gear Tray or Heatsink Mounting
      • Solar Fuses (New)
      • Automotive Power Fuses
    • Appliance & IEC Fuses
    • Appliance Thermal Circuit Breakers
    • Varistors (MOV)
    • Diode & RC Supressors
    • Surge Protection Devices
    • Snubber Capacitors
    • Earth Leakage Relays
    • Monitoring Relays
    • Mechanical Relays
    • Solar Fuses for DC or AC
    • Motor Protection Breakers
    • Residual Current Device (RCD)
    • Miniature Circuit Breakers (MCB)
    • DC Miniature Circuit Breakers (MCB)
    • RCBO's
  • Switches
    • Solar and Battery Switches
    • Momentary Switches
    • Metal Line Switches
    • Bistable Switches
    • Emergency Start Stop Buttons
    • Motor Protection Breaker
    • Low Voltage Disconnect Switches
    • DC Circuit Breakers
    • Appliance Circuit Breakers
    • Bimetal Thermal Switches
  • Heat Sink
    • Heatsink Extrusions
    • Cooling Fans
    • Heatsink for SSR's
    • Water Cooled
    • Natural Cooled
    • Fan Cooled
    • Clamps, Paste, Hardware
  • Stack Assemblies
    • Solid State Contactors
    • Bridge Rectifier Stacks
    • Water Cooled Stacks
    • High Voltage Diode Arrays
    • Welder/Charger Rectifier Stacks
    • Repair Accessories for Stacks
  • Test Equipment
    • High Precision Current Sensors
    • Precision Potentiometers
    • Power Semiconductor Test Equipment
    • Portable Meters & Power Quality Analysers
    • Clamp On Current Sensors
    • Synchrometers
    • High Frequency 20MHz or High DC Current Sensor
  • Low Voltage Switchgear
    • Motor Protection Switch
    • DC Circuit Breakers
    • DC Disconnect Switches
    • Metal Line Switches
    • Din Rail Mount Contactors
    • Standard Relays and Sockets
    • Bistable Relays
    • Slimline Relays and Sockets
    • Appliance Thermal Circuit Breakers
    • AC Disconnect Switches
    • Moulded Case Circuit Breakers (MCCB)
    • Miniature Circuit Breakers (MCB)
    • Residual Current Circuit Breakers (RCCB,RCD)
    • RCD with Circuit Breaker (RCBO)
    • Distribution Board Enclosures
    • Panel Indicators
    • Emergency Stop Buttons
    • Installation Contactors
    • RC and Transient Supressors
  • Appliance Connectors, Switches and Fuses
    • IEC Fuses
    • Fuse Holders
    • Micro Fuses (PCB)
    • Thermal Circuit Breakers & Rocker Switches
    • IEC Inlets & Sockets
    • IEC Inlets with Filters, Fuses, or Switches
    • Metal Line Switches
    • Thermoplastic Momentary Switches
  • DC Power Supplies
  • Communication Accessories
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  • E-Mobility
    • Back
    • Home 2 AC Powered EV Charger
    • AC & DC Sealed Contactors
      • Back
      • Diode and RC Supressors
    • Automotive Fuses
    • Automotive Current Sensors
    • Meters for Electric Vehicle Chargers
    • E-Bike Technology
    • Split Core Current Transformers
    • Split Core AC Current Sensors with Process Outputs
    • DC Current Sensors with Process Outputs
    • Hall Effect Current Sensors
    • Hall Effect Current Sensors PCB Mount
    • Hall Effect Voltage Transducers
    • Din Rail Mount Energy Transducers
  • Process Control Sale
    • Back
    • Temperature/Humidity Controllers
      • Back
      • 48x24mm Panel Mount
      • 48x48mm Panel Mount
      • 48x96mm Panel Mount
      • 96x96mm Panel Mount
      • Dual Loop Temperature and Humidity
      • 98x48mm Indicators
      • Pattern Controllers
      • Limit Controllers
      • PWM Controllers
      • Refigeration Controllers
    • Temperature & Humidity Sensors
      • Back
      • BSP Fittings and TC Cable
      • RTD's
      • Thermocouples
      • Bimetal Switches
      • Air Temp & Humidity Sensors
    • AC/DC Current Sensors with Process Outputs
      • Back
      • Solid Core AC Current Transformers with Process Outputs
      • Split Core AC Current Transformers with Process Outputs
      • DC Current Sensors with Process Outputs
    • Motors & Motor Control
      • Back
      • Motor Protection Breakers
      • Motors, Alternators, Starter Motors
      • Speed Relays, Encoders, PWM Contactors
      • Din Rail Mount Contactors
    • Programmable Logic Controllers (PLC)
    • HMI Touch Screens
    • Signal Conditioners
    • Timers
    • Monitoring Relays
    • Rotary Encoders
    • Pressure/Pneumatic Components
    • Mechanical Relays
    • Hour Meters
    • Microswitches
  • Power Control
    • Back
    • Phase Angle Power Controllers
      • Back
      • Thyristor (SCR Based)
      • Solid State Relay (SSR) Based
    • Burst Fire Power Controllers
      • Back
      • Thyristor (SCR Based)
      • Solid State Relay (SSR) Based
    • Accessories/Spare parts and OEM Power Controller card sets
    • Pulse Transformers
    • Power Factor Controllers
    • PWM Controllers (HVAC)
  • Power Quality
    • Back
    • EMC Filters
    • IEC Power Sockets & Plugs
      • Back
      • Sockets with Filter
      • Socktes and plugs without Filter
    • Power Factor Correction
      • Back
      • 3 Phase PFC Capacitors
      • Single Phase PFC Capacitors
      • MV Power Factor Capacitors
      • Capacitor Duty Contactors
      • SVG Modules & Smart Capacitor Banks
      • PFC Controllers
      • Power Factor Meters and Transducers
      • Detuned Reactors
    • Pulse Transformers
    • Chokes
    • Smart Sub Meters and Power Quality Analysers
    • Utility Scale Meters
  • Electrical Measurement
    • Back
    • Hall Effect Current Sensors/Transducers
      • Back
      • Split Core AC Current Sensors Process Output
      • Solid Core AC Current Sensors with Process Outputs
      • DC Current Sensor with Process Outputs
      • Panel Mount
      • Busbar Mount
      • Surface Mount
      • PCB Mount
      • Automotive Sensors
      • LEM Accessories
    • Hall Effect Voltage Sensors/Transducers
      • Back
      • PCB Mount
      • Panel Mount
    • Current Transformers
      • Back
      • Solid Core
      • Split Core
      • Solid Core with Process Output
      • Split Core with Process Output
      • Core Balance CT's
    • Rogowski Coils (Rope CT's)
    • High Frequency 20Mhz or DC Current Sensors
    • High Precision Hall Effect Sensors
    • Clamp On Current Sensors
    • Signal Conditioners
    • Din Rail Mount Transducers
      • Back
      • Current
      • Voltage
      • Power
    • Digital Panel Meters
    • Synchronometers
    • kWh Meters
    • Utility Smart Meters, Tariff, ICG Meters
    • Power Quality Meters and Analysers
    • Moving Coil Meter
    • DC Current Shunts
  • Power Capacitors
    • Back
    • Snubber Capacitors
    • Power Factor Correction
      • Back
      • Medium Voltage up to 22kV
      • Single Phase 525V
      • 3 Phase 525V
    • DC Link & Electrolytic Capacitors
    • 3 Phase 525V Power Factor Correction Capacitors
  • Power Semiconductors
    • Back
    • Bridge Rectifiers
      • Back
      • Single Phase
      • Three Phase
    • Isolated Power Modules
      • Back
      • Dual Diode Modules
      • Dual Thyristor Modules
      • Thyristor(SCR)-Diode Modules
      • Single Diode Modules
      • Single Thyristor(SCR) Modules
      • Common Cathode Modules
    • Stud Mount Diodes and Thyristors(SCR)
      • Back
      • Metric Stud Diodes & Thyristors(SCR)
      • Imperial Diodes and Thyristors(SCR)
      • Flat Base Diode and Thyristor(SCR)
    • Capsule (PUK) Devices
      • Back
      • Diode Capsules
      • Thyristor(SCR) Capsules
    • Press Fit Diodes
    • IGBT
      • Back
      • IGBT Devices
      • IGBT Drivers
    • Other Welding & Generator Diodes
    • Silicon Carbide Modules
    • Discrete Components (limited)
    • Semiconductor Fuses
      • Back
      • BS88 Style Fuse Links
      • European NH Style Fuses
      • Cartridge Fuses & DIN Rail Holders
      • Fuse Kits for Gear Tray
      • Solar Fuses for DC or AC
  • Solid State Relays
    • Back
    • AC Control Solid Sate Relays
    • DC Control Solid Sate Relays
    • AC Switching Solid State Relays
    • DC Switching Solid State Relays
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  • Fastron Electronics Store Home
  • Power Factor Correction
  • How Power Factor Correction Works
Article

How Power Factor Correction Works

  • Power Factor Correction
  • 18 Jan, 2020
  • Posted by: Daniel Rehe

How Power Factor, or Kvar Correction works

Power Factor is a widely used measurement of efficiency in AC and DC power supply systems from small to large switchmode rectifiers, boilers, air conditioners, compressors, refrigeration, certain types of heating elements, inverters, LED lighting, pumps and others. In particular any load which is inductive in nature can produce a low Power Factor and therefore power loss through "Inductive" or "reactive" energy which is measured in Var, kVar, or mVar.

Understanding Power Factor

There are 4 quarants which need to be considered. The diagram below gives you the key paramaters for each quadrant.

Power Factro Quadrants

 As you can see the key paramters are kW, kVAr, and Cos ϕ.

Calculating Power Factor

Using Pythagoras's Therorem we can calcuate the 3rd parameter from any 2 of these parameters as follows.

Pythagoras's Theorem states A² + B² = C²  

In addtion we use the rule SOHCAHTOA 

Sine ϕ = Opposite/Hypotenuse;

Cos ϕ = Adjacent/Hypotenuse;

Tan ϕ = Opposite/Adjacent

Phase Angle, or Power Factor Angle

Power Factor Angle

The Power Factor Angle is also commonly refered to Phase Angle.

The term Power Factor (PF) is simply the ratio between Real or "True" Power (P) and Reactive Power (Q)

Power Factor (PF) = Real Power (P) / Reactive Power (Q)

For example for Real Power = 80kW, and Reactive Power = 100kVAr we have 

PF = 80/100 = 0.8

The respresents a loss of 20%!!! and can in many cased be much worse.

Fastron Electronics offer solutions to their bad power factor. We focus on power losses up to 100kVAr in small to medium businesses and residential applicatons.

Fastron also supply and rent out suitable clamp power meters, and power quality analysers to enable accurate measurement of Power Factor and are used for profiling and tailoring the right solution.

NC14 meter can be rented for minimum 1 week for $50AUD per week ex gst

NP40 Power Quality Analyser can be rented for minimum 1 week for $400AUD per week plus GST.

Fastron can also provide site services. For Metro Melbourne the price for site visit and measurement service is $300AUD. This pirce includes measurement of a single power entry circuit and a detailed report and reccommendations on how to improve your Fower Factor. 

Fastron is focused on smart capacitor banks which are designed according to the above reccomendations. Smart Capacitor Banks 

Smar Cap Bank

You can find our standard range here which gives you a rough idea on the costings for 10-100kVAr Smart Capacitor banks.

You can find a detailed overview of Power Factor Correction Components used in these or larger systems on this page.

Products we stock include;

  • Power Factor Correction Capacitors
  • Power Factor Controllers
  • Capacitor Duty Contactors
  • Power Factor Transducers & Panel Meters
  • Power Factor kWh Meters
  • Power Factor Test Equipment

Manufactured to order products include;

  • Smart Capacitor Banks - Contact Us for tailored Solution
  • Harmonic Reactors - Contact Us
  • Solid State SCR based Power Factor Control card (OEM PCB) - Contact Us

For detailed requirements feel free to contact our friendly sales team at Fastron Electronics.

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Our blog is designed to offer free technical support for the brands we carry. We are also interested to discuss new technologies and ways in which we can support the local Industrial landscape.
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Hand Held Test Meters and Analysers

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