ZOTUP - SPDs FOR SIGNALLING AND TELECOMMUNICATION NETWORKS
SPDs for signalling and telecommunication networks. Typical installation: in series with the signalling/telecommunication circuits for equipments with "low resistability" according Recommendation ITU-T K.45 / "low surge immunity" according IEC/EN 61000-4-5.
- SPDs with impulse ratings for C1, C2, C3 and D1 categories (according to IEC/EN 61643-21).- SPDs with common mode and differential mode protection against symmetrical and/or asymmetrical disturbances.- SPDs with disconnecting means in case of accidential contact between the signal/telecommunication circuits and a power line (e.g. 230/400V a.c.) due to isolation faults.- SPDs with integrated earth/protective ground connection via the 35 mm top hat DIN rail and by screwless spring type termination of the cable screen.- SPDs with RJ and LSA connectors.
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