High Voltage Indicators & Detectors

  1. CATU CL-498-00 Interface For Integrated Voltage Detecting System
    CATU logo
    CATU CL-498-00 Interface For Integrated Voltage Detecting System
    (no reviews)
    £73.22 £61.02
    • For use in MV cubicles
    • High impedance detecting systems
    • Voltage indication via 4mm sockets
    61 Reward Points
    Price Match Guarantee
    CL-498-00
  2. CATU CL-495/3 Integrated Voltage Presence Indicating System
    CATU logo
    CATU CL-495/3 Integrated Voltage Presence Indicating System
    (no reviews)
    £128.66 £107.22
    • Voltage detection under 1000V
    • Integrates into MV cubicles
    • IEC 61958 compliance
    107 Reward Points
    Price Match Guarantee
    CL-495/3
  3. CATU CL-497-00 Medium Voltage Indicating System for Cubicles
    CATU logo
    CATU CL-497-00 Medium Voltage Indicating System for Cubicles
    (no reviews)
    £128.66 £107.22
    • Detects voltage up to 1000V
    • Integrates into MV cubicles
    • Bright red LED indicators
    107 Reward Points
    Price Match Guarantee
    CL-497-00
  4. CATU CL-40010 Busbar High Voltage Indicator - 5 to 75kV AC
    CATU logo
    CATU CL-40010 Busbar High Voltage Indicator - 5 to 75kV AC
    (no reviews)
    £249.30 £207.75
    • Connects to busbars to indicate the presence of live voltage
    • Shines bright diode lights when voltage is live
    • Range from 5 to 75kV AC
    207 Reward Points
    Price Match Guarantee
    CL-40010
  5. Sofamel VTE-25-U AC Voltage Detector
    Sofamel logo
    Free UK Delivery
    Sofamel VTE-25-U AC Voltage Detector
    (no reviews)
    £418.32 £348.60
    • Rated voltage: 25 kV AC
    • Frequency: 50 / 60 Hz
    • Work temperature range: from -25°C to +55°C
    348 Reward Points
    Price Match Guarantee
    VTE-25-U
  6. Metrohm HVD04/2B High Voltage Detector
    Metrohm logo
    Free UK Delivery
    Metrohm HVD04/2B High Voltage Detector
    (no reviews)
    £537.24 £447.70
    • Fast response time
    • High Impact ABS body
    • Shock & drop resistant
    447 Reward Points
    Price Match Guarantee
    HVD04/2B
  7. Metrohm HVD04/2C High Voltage Detector
    Metrohm logo
    Lead Time: 1-2 Weeks
    Free UK Delivery
    Metrohm HVD04/2C High Voltage Detector
    (no reviews)
    £537.24 £447.70
    • Fast response time
    • High Impact ABS body
    • Shock & drop resistant
    447 Reward Points
    Price Match Guarantee
    HDV04/2C
  8. Sofamel VTC-OA DC Voltage Detector
    Sofamel logo
    Free UK Delivery
    Sofamel VTC-OA DC Voltage Detector
    (no reviews)
    £593.76 £494.80
    • Voltage range: 500 V < Vt < 5000 V
    • Operating temperature: -25°C to 55°C
    • Humidity Range: 20 to 96 %
    494 Reward Points
    Price Match Guarantee
    SOFA-VTC-OA-X
  9. Catu CC-765-10/36-K I.E.C. 10/36 Kv Ext.
    CATU logo
    Only 1 In Stock
    Free UK Delivery
    Catu CC-765-10/36-K I.E.C. 10/36 Kv Ext. "K" Voltage Detector
    (no reviews)
    £641.57 £534.64

    Catu CC-765-10/36-K I.E.C. 10/36 Kv Ext. "K" Voltage Detector

    534 Reward Points
    Price Match Guarantee
    CC-765-10/36-K
  10. CATU CC-765-11/33-C/K IEC Voltage Detector - 11/22 kV
    CATU logo
    Free UK Delivery
    CATU CC-765-11/33-C/K IEC Voltage Detector - 11/22 kV
    (no reviews)
    £641.57 £534.64
    • 11-22kV voltage detection
    • Bright red LED indicators
    • Clips onto CATU insulated poles
    534 Reward Points
    Price Match Guarantee
    CC-765-11/33-C/K
  11. CATU CC-765-5.5/20 I.E.C. Compact HV Detector-  5.5 - 20kV
    CATU logo
    Free UK Delivery
    CATU CC-765-5.5/20 I.E.C. Compact HV Detector- 5.5 - 20kV
    (no reviews)
    £641.57 £534.64
    • Compact - clips directly onto insulated poles
    • Red LED and audible indicators
    • Range of 5.5 to 20kV
    534 Reward Points
    Price Match Guarantee
    CC-765-5.5/20
  12. CATU CC-765-3/10-C/K Standard Electronic Voltage Detector - 3-10 kV
    CATU logo
    1 Option in Stock
    Free UK Delivery
    CATU CC-765-3/10-C/K Standard Electronic Voltage Detector - 3-10 kV
    (no reviews)
    £641.57 £534.64
    • 3 to 10kV range
    • Clips onto insulated poles
    • LED and audible indication of voltage presence
    534 Reward Points
    Price Match Guarantee
    CC-765-3/10-C/K
  13. CATU CC-765-10/30-C/K Standard Electronic Voltage Detector - 10-30 kV
    CATU logo
    Free UK Delivery
    CATU CC-765-10/30-C/K Standard Electronic Voltage Detector - 10-30 kV
    (no reviews)
    £641.57 £534.64
    • 10-30kV range
    • Clips onto CATU insulated poles
    • Highly robust and lightweight
    534 Reward Points
    Price Match Guarantee
    CC-765-10/30-C/K
  14. Sofamel VTC-OAD DC Voltage Detector with AC Induced Voltage Indication
    Sofamel logo
    Free UK Delivery
    Sofamel VTC-OAD DC Voltage Detector with AC Induced Voltage Indication
    (no reviews)
    £716.16 £596.80
    • AC induced voltage: 500 V < Vtac < 5000 V
    • ALTERNATING current 50-60 Hz
    • Operating Temperature: -25°C to 55°C
    596 Reward Points
    Price Match Guarantee
    SOFA-VTC-OAD-X
  15. Seaward KD1E Neon HV Potential Indicator (1-11KV)
    Seaward logo
    3 In Stock
    Free UK Delivery
    Seaward KD1E Neon HV Potential Indicator (1-11KV)
    (no reviews)
    £738.00 £615.00
    • Duplicate neon indicators within shock resistant sleeves
    • Permanently connected earth cable
    • Hand guards on both elements
    615 Reward Points
    Price Match Guarantee
    SEAHV13
  16. Seaward KD1E/19S Neon HV Potential Indicator (1.5-19kV)
    Seaward logo
    Lead Time: 1-6 Days
    Free UK Delivery
    Seaward KD1E/19S Neon HV Potential Indicator (1.5-19kV)
    (no reviews)
    £789.60 £658.00
    • Duplicate neon indicators within shock resistant sleeves
    • Permanently connected earth cable
    • Hand guards on all elements
    658 Reward Points
    Price Match Guarantee
    SEAHV10
  17. Seaward KD1E/19 Neon HV Potential Indicator (1.5-19KV)
    Seaward logo
    3 In Stock
    Free UK Delivery
    Seaward KD1E/19 Neon HV Potential Indicator (1.5-19KV)
    (no reviews)
    £834.00 £695.00
    • Max system voltage of 19kV
    • AC/DC neon indicators
    • For use on earthed neutral electrical circuits
    695 Reward Points
    Price Match Guarantee
    SEAHV11
  18. Metrohm HVI-F0357A High Voltage Indicator Kit to 15KV AC / DC
    Metrohm logo
    Only 1 In Stock
    Free UK Delivery
    Metrohm HVI-F0357A High Voltage Indicator Kit to 15KV AC / DC
    (no reviews)
    £838.80 £699.00
    • Detects voltages between 200V and 15kV
    • Indicates voltages via flashing neon lights
    • Suitable for ensuring the safety of maintenance and installation personnel
    699 Reward Points
    Price Match Guarantee
    HVI-F0357A
  19. Seaward KD1E/22 Neon HV Potential Indicator (3-22KV)
    Seaward logo
    Lead Time: 2-3 Weeks
    Free UK Delivery
    Seaward KD1E/22 Neon HV Potential Indicator (3-22KV)
    (no reviews)
    £846.00 £705.00
    • Duplicate neon indicators within shock resistant sleeves
    • Permanently connected earth cable
    • Hand guards on all elements.
    705 Reward Points
    Price Match Guarantee
    SEAHV9
  20. Seaward KD1E/KAD Neon HV Potential Indicator (1-11kV) with Audio Alarm
    Seaward logo
    Only 1 In Stock
    Free UK Delivery
    Seaward KD1E/KAD Neon HV Potential Indicator (1-11kV) with Audio Alarm
    (no reviews)
    £934.80 £779.00
    • Duplicate neon indicators within shock resistant sleeves
    • Audio Alarm when voltage detected
    • Permanently connected earth cable
    779 Reward Points
    Price Match Guarantee
    SEAHV12
  21. Seaward KD1E/33 Neon HV Potential Indicator (3-33KV)
    Seaward logo
    2 In Stock
    Free UK Delivery
    Seaward KD1E/33 Neon HV Potential Indicator (3-33KV)
    (no reviews)
    £946.80 £789.00
    • Duplicate neon indicators within shock resistant sleeves
    • Permanently connected earth cable
    • Hand guards on all elements
    789 Reward Points
    Price Match Guarantee
    SEAHV8
  22. Sofamel VTA High Voltage Detector, 50 / 60 Hz, 45 to 420 kV
    Sofamel logo
    Free UK Delivery
    Sofamel VTA High Voltage Detector, 50 / 60 Hz, 45 to 420 kV
    (no reviews)
    £1,066.32 £888.60
    • Self-checking system
    • Self-ignition when voltage presence
    • Auto turn-off into sleep mode
    888 Reward Points
    Price Match Guarantee
    SOFA-VTA-X
  23. HD Electric APT-1 Active Power Tester
    HD Electric Company logo
    Free UK Delivery
    HD Electric APT-1 Active Power Tester
    (no reviews)
    Call for Pricing
    • Can be used to check overhead, uninsulated conductors for the absence of voltage
    • Alerts the user to the absence of voltage via an audible and visual indication
    • Suitable for overhead lines with voltages ranging from 7.6 kV to 13.2 kV (line-to-ground)
    We require additional information before you purchase this product.
    HD-APT-1
  24. CATU CL-465-10/30-2 Telescopic IEC Voltage Detector 10/30 KV
    CATU logo
    Free UK Delivery
    CATU CL-465-10/30-2 Telescopic IEC Voltage Detector 10/30 KV
    (no reviews)
    £1,164.58 £970.48
    • High environmental resistance
    • Powered with a lithium battery
    • Easy to use
    970 Reward Points
    Price Match Guarantee
    CL-465-10/30-2

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About High Voltage Indicators & Detectors

The best warning for an electrician of a hot power line is a high-voltage indicator. Other devices relying on secondary power sources or subject to protective measures such as fuses can give false positive readings because they are not working as a direct result of the electricity in the lines. A high-voltage indicator is very simple and very effective.

Most high-voltage indicators are simple circuits. They consist of a connector attached to a bus bar in the supply cabinet, and a light-emitting diode inside of a small housing with a window to view the light. The LED may or may not flash, but its illumination lets an electrician know the line is powered and must be shut off before work.

A voltage detector is a device that determines the presence or absence of an electrical charge in an object. It can be a simple, pen-shaped piece of testing hardware that indicates the existence of electricity or an advanced tool that detects precise voltage levels in electrical systems.

A voltage detector measures the flux lines of the electric field formed between the earth's potential and a live component of the system.