The signal SPD is applicabe to overvoltage protection for the computer network digital signal equipment and analog signal equipment in audio, video and monitoring system. This signal SPD series in for diferential and common mode protection, the balance circuit and non-balance circuit, low speed circuit and high-speed circuit, fine protection and combined protection. This product series can meet the demands in protection of different networks.
Certification and recommendations by official authorities
1995 --- passed the appraisement by Provincial Science & Technology Committee 1997 --- passed the appraisement by the Ministry of Post and Telecommunication for its production type 1998 --- passed the appraisement by Expert Team from the Ministry of Construction 1999 --- obtained the sales permission from the Ministry of Public Security 2005--- The explosion-prevention signal SPD (ZGXL-1Y, 2Y, 4Y series) passed the test by Explosion-prevention Quality Supervision and Test Center for petroleum and chemistry electrical product 2005 --- The product (model ZGXM-1B, ZGXL-1H, ZGXL-1J), intended for the bid invited by China Mobile Communication Corporation, passed the test by Performance &Quality Supervision and Test Center for lightning product in China Information Industry Ministry, and wined the bid.
Transmission rate: 155Mbit/s Current capacity: 5-10kA(8/20μ S) Measured limiting voltage: ≤ 20V(10/700μ S) Various Kinds: Can meet different demands