2-element gas tube thermal overload/backup gap
25-pair circuit protection assembly
5-pin protector
A heat protection device for overvoltage arrester magazines
Abnormal voltage protection device
AC/DC power line communication modem
Acoustic/underwater signaling device
Active lightning protection system and method
Active part for a surge arrester
Adaptive transient blocking unit
Adjustable high-speed audio transducer protection circuit
Aerial cable terminal
Air gap back-up surge arrester
Air gap short circuiting device for gas tube arrester
Air spark gap for determining the maximum voltage at a voltage s
Amalgam of shielding and shielded energy pathways and other...
Amalgam of shielding and shielded energy pathways and other...
Antenna grounding system
Anti-interference filter and lightning conductor device
Anti-overvoltage protector