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 part and replaceable plug-in protection modules.
l Installation at the boundaries from zone LPZ 0A to LPZ 2.
l Installation at the boundary of zones LPZ1 and LPZ2
l Use for the direct lightning protection in Power system, can usage in Transformer low-voltage side.
l DIN rail installation.
SPECIFICATIONS
l SPD according to EN 61643-11/IEC 61643-11: Type 1+2/ Class Ⅰ+Ⅱ
l Max. continuous operating voltage (a.c.) (Uc): 385V (50/60Hz)
l Temporary overvoltage (TOV): 385V/5s-withstand
l Lightning impulse current (10/350µs) (Iimp): 12.5kA
l Nominal discharge current (8/20µs) (In): 20kA
l Max. discharge current (8/20µs) (Imax): 50kA
l Voltage protection level (Up): ≤2.2kV
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To protect an electrical installation in a building, simple rules apply for the choice of 1. SPD(s); 2. its protection system. For a power distribution system, the main characteristics used to define the lightning protection system and select a SPD to protect an electrical installation in a building are: 1. SPD 1.1 quantity of SPD 1.2 type 1.3level of exposure […]
DC SPD applied to the Din rail type protects the DC electric system from surge. Also, the system allows replacement of the protective element (MOV), ensuring convenience and reduced cost. However, as only the protective module is provided, other components should be added when the system is installed in accordance with the site condition.
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