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 replaceable 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
Voltage protection is an important electrical protection method that aims to ensure that equipment in the power system can operate safely when the voltage is abnormal. When the voltage in the power system is too high or too low, exceeding the range that the equipment can withstand, the voltage protection will trigger the protection mechanism and […]
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.
DC MCB (DC miniature circuit breaker) plays a key role in the power system. First of all, DC MCB is a common switch in the control circuit, which mainly has two functions: on-off circuit and protection circuit. It adopts a special arc extinguishing and current limiting system, which can quickly disconnect the fault current of the […]
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