Seaward LLT Live Line Tester

Seaward Electronic

Seaward approved distributor and service centre.

The Seaward LLT - R live line voltage indicator has been designed to ensure safe working on third-rail electrified railway lines and systems.

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£ 171.00

(£ 205.20 inc VAT.)

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The Seaward LLT live line tester is a voltage detector ideal for live line testing on systems up to 1100V DC, and is encapsulated in a high impact rugged enclosure with high-visibility cable. The unit is fitted with high-intensity red LED indicators and a polarizing filter making it clearly visible, even in direct sunlight.

Designed and manufactured in compliance with international safety standard BS EN61243-3, the live line test unit is totally encapsulated in a shock resistant high impact rugged enclosure and is IP65 rated. The tester is also equipped with PVC hand guards and high visibility cable.

Designed specifically for live line applications, the LLT high voltage indicator ensures conductor rails have been isolated from the power supply before maintenance or inspection work commences on rail track systems.

The Seaward LLT and proving unit are approved by NetworkRail -Certificate of Acceptance No. PA05/03345.


Working voltage 1100V DC max.
Threshold voltage 200V AC/300V DC.
Circuit current <10mA.
Indicator 3 ultra-bright red LEDs.
Approved by Network Rail.
PH3-LLT proving unit also available.

Seaward LLT Live Line Tester Specifications:

  • Working Voltage: 1100V dc max.
  • Threshold Voltage: 200Vac/300Vdc.
  • Circuit current: < 10mA.
  • Indicator: 3 ultra-bright red LED.
  • Handle Length: 153mm.
  • Overall Length: 195mm.
  • Handle Diameter: 20mm.
  • Probe Tip Length: 38mm.
  • Hand Guard Height: 27mm Over Full Circumference.
  • Distance from Uninsulated Probe Tip to Handguard: 138mm.
  • Contact Electrode Diameter: 3mm.
  • Uninsulated Contact Electrode Length: 5mm.
  • Lead Length between Probes: 1.7m Double Insulated Cable.
  • Construction: High Impact, Total Encapsulation.
  • Compliance: BS EN61243-3.
  • Seaward LLT-r Warranty: One year.


Includes: Seaward LLT live line tester, user manual and calibration certificate.

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Seaward LLT Live Line Tester