GENERAL INFORMATION
l Single-pole/ Two-pole/ Three pole/ Four pole varistor surge protective device (AC SPD)
l Visual indication and optional remote contact signaling(S).
l The Prewired complete unit consisting of a base part and plug-in protection modules.
l Installation at the boundary of zones LPZ1 and LPZ2.
l The Modular surge arrester for use in AC or DC PV system.
l DIN rail installation.
SPECIFICATIONS
l SPD according to EN 61643-11/IEC 61643-11: Type 2 / Class Ⅱ
l Nominal voltage (a.c.) (Un): 230/275/385/420V (50/60Hz)
l Max. continuous operating voltage (a.c.) (Uc): 275/385/420V (50/60Hz)
l Nominal discharge current (8/20µs) (In): 10kA/ 20kA/ 30kA
l Max. discharge current (8/20µs) (Imax): 20kA/ 40kA/ 60kA
To choose the best technology for surge protective devices, we should consider the following technical parameters (include but not limited to): 1. Type of surge protective devices according to EN61643-11/IEC 61643-11 2. Nominal Voltage (Un) 3. Maximum Continuous Operating Voltage (Uc) /Maximum Continuous Operating Voltage for PV System (Ucpv) 4. Voltage Protection Level (Up) 5. Nominal Discharge Current (In) 6. Maximum Discharge […]
SPDis an indispensable device in the lightning protection of electronic equipment. Its function is to limit the instantaneous overvoltage entering the power line and signal transmission line within the voltage range that the equipment or system can withstand, or to discharge the strong lightning current into the ground. , to protect the protected equipment or […]
The system for protecting a building against the effects of lightning must include: =protection of structures against direct lightning strokes; =protection of electrical installations against direct and indirect lightning strokes. The basic principle for protection of an installation against the risk of lightning strikes is to prevent the disturbing energy from reaching sensitive equipment. To […]
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