HAKEL to Exhibit at the 13th International Railway Fair TRAKO 2019

For the third time in a row HAKEL will be attending TRAKO, which takes place for the 13th time in 2019. Our highlight products at the show will be our IMDs (Insulation Monitoring Devices) and our SPDs/VLDs (Surge Protection Devices / Voltage Limiting Devices) for traction systems and vehicles, i.e. trains, subways and trams.

We look forward to meeting with our existing business partners and seeking potential new business activities as well.


IMD (Insulation Monitoring Devices)

The insulation monitoring device ISOLGUARD HIG24V DC/T, HIG48V DC/T, HIG110V DC/T, produced by HAKEL for the ISOLGUARD series, are designed for monitoring the insulation resistance of IT power supply systems with a nominal voltage of 24 V DC, 48 V DC and 110 V DC.

The insulation monitoring devices HIG93T/24, HIG93T/24L, produced by HAKEL for the ISOLGUARD series, are designed for monitoring the insulation resistance of single-phase and 3-phase ungrounded IT power supply systems for traction systems and vehicles.

This year we are introducing the new HIG99/T, which is suitable for installation of both, DC and AC IT power supply systems.

All of these products meet the latest production, testing and certification standards.

HIG99/T, HIG24 DC/T, HIG48 DC/T, HIG110 DC/T, HIG93T/24, HIG93T/24L :

  • EN 50155: Railway applications – electronic equipment used on rolling stock (IEC 60571)
  • EN 61373: Railway applications – rolling stock equipment – shock and vibration test (IEC 61373)
  • EN 45545-2: Railway applications – fire protection on railway vehicles
  • EN 50121-3-2: Railway applications – electromagnetic compatibility
    • Part 3-2: Rolling stock – apparatus
All-Purpose Voltage Limiter for Railway Applications

SPD/VLD – Voltage Limiting Device

(VLD acc. to EN 50122-1:2011)

HL120 is a voltage limiting device intended for the protection of non-live parts of metal structures in AC or DC traction systems. It is used for the effective protection of people who might come into contact with these parts during a lightning stroke or in the case a fault of traction lines.

HGS100 RW is a range of voltage limiters designed for over-voltage protection of personnel and equipment in DC and AC rail traction systems. It is recommended to install this limiter between the current return path and non-electrified parts of structures laying adjacent to the rails.

All requirements given by EN 50122-1 and EN 61643-11 relating to electrical safety earthing for this specific use are also fulfilled.


We are a family company from the Czech Republic and we have been supplying surge protection devices (SPD) over the world for 25 years. We have our own research & development, production, technical support and testing laboratory as well.

Hakel surge and lightning arresters are produced not only for residential and non-residential constructions, but also for industrial applications such as oil pipelines, gas pipelines, photovoltaics, power stations and railways.

Our products protect from surge various technologies, machines, appliances and equipment all over the world.

We also develop and manufacture insulation monitoring devices (IMD) for isolated IT power supply systems. We provide a comprehensive, complex A to Z solution for monitoring of insulation status in hospitals, industry and special applications.

We do not pretend that we can do everything, but if you ask questions about applications or the choice of proper surge protection, our team of skilled technicians will be happy to answer your questions and find the ideal solution for you.

Contact HAKEL

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