GENERAL INFORMATION of Type 1-Voltage Limited Type Surge Protective Device(SPD)
l Varistor surge protective device (AC SPD)
l Large discharge energy.
l No leakage and no follow current.
l Applied to surge protection at the first stage of the power supply system.
l Strong environmental resistance.
l DIN rail installation.
GENERAL INFORMATION l Two-pole/ Three pole/ Four pole varistor surge protective device (AC SPD) l Combined SPD Type 1&2 with MOV and CDGG technology for use in different power system. l Visual indication and optional remote contact signaling(S), capable of protecting Terminal equipment. l Non-follow current. l The Prewired complete unit consisting of a base […]
Dc fuse is a very easy to use protection facilities, when the abnormal circuit is often accompanied by rising current, the rising current will not only damage some key equipment, but also burn the circuit, cause a fire and directly cause great economic losses. After the DC fuse is installed, when the current exceeds the current value that […]
The components of a SPD The SPD chiefly consists of (see Fig.1): 1) one or more nonlinear components: the live part (varistor, gas discharge tube, etc.); 2) a thermal protective device (internal disconnector) which protects it from thermal runaway at end of life (SPD with varistor); 3) an indicator which indicates end of life of […]
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