DAH Series
Tyco Electronics’ Bowthorpe EMP business group pioneered the development of polymeric composite housed surge arresters in the early 1980’s and since then has proven service expe rience across the globe, operating in the world’s toughest environments. DA Series surge arresters provide active over voltage protection that contributes directly to improved reliability of your system, reducing lost minutes and protecting expensive assets.
Tyco Electronics Bowthorpe EMP DA silicone surge arresters have been designed and tested to meet customers’ demand for reliability and improved operational performance. DA development was based on 30 years of experience in arrester design and manufacturing within the Tyco Electronics Energy Division.
The DAH series is qualified to the latest revision of IEEE C62.11, (2005) and all reports are independently certified.
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Sealing: All arrester cores are encapsulated in silicone insulating housing. A permanent chemical bond connects the arrester core and the non-tracking silicone housing. This invisible interface prevents moisture from entering during severe thermal fluctuations due to normal climatic and energy absorption events. |
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Polymer housing: Non-tracking and hydrophobic silicone insulating material is used for DA arrester housings. The DA surge arrester series is available with standard or extra leakage distance. The housing material has proven performance in long term TERT and UV aging tests and proven resistance to flammability. |
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Integrated design: Manufacturing integrates all components in a single piece. There are no glued interfaces. The design is void and gap free ensuring peak performance under the harshest conditions. |
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Reliable and consistent GLD The robust ground lead disconnect (GLD) offers operational reliability and consistency. It was designed to operate in event of arrester failure, removing ground connection and fault from line. It can be shipped and stored restriction free. |
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Safe mode of failure: Our high energy arresters are tested in accordance with the short circuit mode of failure test in IEEE C62.11, (2005). This testing has proven the DAH’s safe and predictable failure characteristics. |
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Quality: The DAH series arrester is manufactured to international quality standards in Tyco Electronics production facilities. We perform 100% routine testing on arresters: 1) Visual inspection |
Summary of Heavy Duty Arrester (DAH) series technical characteristics
| Ur (kV) In (kA) High current impulse (kA) Arrester type Long duration current (A /μs) 10s TOV (kV) High current short circuit (kA) Arrester technology |
3.5 – 36 10 100 Heavy duty 250 / 2000 1.4 * MCOV 21 ZnO gapless Mold in place |
