// Disconnectors. Well connected.

Worldwide supplier of disconnectors

Home // About us

// Let us introduce ourselves

Founded in 1925

Hapam B.V. is part of the Van Halteren Group. The company is located in the center of the Netherlands, approximately 40 km east of Amsterdam. Hapam is an independent manufacturer of High Voltage Disconnectors and Earthing Switches for outdoor and indoor substations up to 800kV. So far Hapam has supplied more than 200.000 disconnectors in over 125 countries worldwide. A large number of disconnectors are still in service for more than 50 years.

Apart from The Netherlands, Hapam also has factories in Poland (Lodz) and Vietnam (Hanoi) in order to serve its customers from several geographical locations.

Hapam maintains a policy of continuously improving the disconnector design, both for AC as well as DC applications. All relevant information gathered from operating experience worldwide and/or client specifications are translated into the Hapam state of the art design. As a consequence, we provide our customers with engineering, quality and design excellence, as well as after sales service if/ when requested.

Hapam operates from modern and well-equipped premises that have recently been extended to increase production capacity. The company is able to manufacture disconnectors and earthing switches in an efficient, computer-controlled process in order to fulfill all market requirements.

The total area of our premises is 17.500 m2, including storage and testing areas. The production capacity is over 5.000 disconnectors per year and Hapam employs a dedicated workforce of approximately 100 FTE in The Netherlands.

In short, Hapam is a well-known manufacturer of disconnectors and earthing switches with an excellent performance and world-wide reputation. The continuous improvement of materials and technologies have resulted in disconnectors and earthing switches of high quality that are easy to install and need minimal maintenance. This makes Hapam one of the leading disconnector manufacturers in the world.


Hapam has extensive worldwide experience in the following areas:

  • Disconnectors for air-insulated substations
  • Disconnectors for HVDC Interconnections
  • Capacitor Bank isolation and by-pass disconnectors
  • Severe ice load conditions
  • Wide temperature ranges
  • Seismic conditions
  • Bus transfer switching
  • Induced current switching

// About mission


We provide our customers with the highest level of engineering, quality, design excellence and after sales service. In doing so we aim to be the ‘best-in-class’ supplier of high-voltage disconnectors and associated equipment. We provide employment and earn profits. As a world-leading manufacturer of disconnectors, we are dedicated to contribute to improvement of the environment and strictly adhere to our Code of Conduct (available upon request).

// About vision


To realize our mission, we maintain a policy of continuously improving development, engineering and manufacturing of our high-voltage disconnectors and earthing switches. All relevant information gathered from customer feedback, operating experience worldwide and/or client specifications are included in our state of the art designs. The continuous improvement of quality of material and technology has resulted in disconnectors and earthing switches of the highest quality that are easy to install and need minimal maintenance. We believe that by further expanding our global coverage, activity portfolio and improving our support network we will be able to serve our customers in the best way possible while meeting the increasing world-wide demand for reliable and sustainable high-voltage grid solutions. We are certified according to ISO 9001, ISO 14001 and ISO 45001.

// Work @ Hapam

We need you!

Does technology make your heart beat faster?
You want to work from a modern and well-equipped office?
Would you like to work for a leading player in the field of high voltage disconnectors and earthing switches?