AMTECH produces wide range of surge arrester in large scale, either with porcelain or polymeric housing, metal-claded and gas-insulated, or for specific application in high altitudes or heavily polluted area. There are also MOA of three phases-in-one combination for phase-to-phase and phase-to-ground protection.
The main features of AMTECH surge arresters are as follows:
âÂÂExcellent protective performance
Amtech’s non-linear metal-oxide varistors are made with Japanese technology which have rapid response to steep front surge, excellent volt-ampere characteristics and high discharge capacity, thus provides a very consistent protection against steep front surge, lightning surge and switching surge, and enhance protection capability. The volt-ampere characteristics of MOA 110ï½Â220kV are shown in Fig 1.1.
âÂÂReliable pressure relief device
The unique pressure-relief device is based on latest design concept. Its features are precise operation, safe and reliable. It ensures MOA to release internal excessive pressure in hostile environment to minimize potential damages to other facilities.
â Unique sealing device
Excellent MOA sealing is imparted during its service life by all-weather proof, thermal-resistant and exceptional elastic sealing gasket and unique sealing device. Each MOA is subjected to thorough leak test by highly sensitive leakage detection using helium based detector.
â Consistent Research and Development.
AMTECH maintain an active R&D program through cooperation with Universities, Technical Colleagues and specialists and experts in this field. This helps us to upgrade our product quality constantly and widen our product range.