PBwel is the leading provider of voltage detector products with our products having been tested used approved within the UK rail industry. PBwel has over 40 years of experience in electrical maintenance and safety and has come a long way, and today we have a wide range of products.

The PBwel Rail Voltage Detectors and Equipment includes products such as D3 Live Line Indicator and C31 Live Line Indicator. The D3/LLI Live Line Indicator is a resistive type voltage detector designed for use on overhead a.c. rail electrification systems are operating at 25kV nominal voltage. The ‘LLI’ threshold is specified as 12kV ± 5%; however, it should be noted that induced voltages could reach 10kV.

The C31 Detector is designed for use on overhead a.c. electrified systems operating at 25kV nominal voltage, to indicate the presence of Traction voltage.

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