产品详情 OBO MCD50-B/3+NPE MCD50-B/4 MCD50-B/3+NPE-OS MCD50.jpg -LightningController-Set, 4-pole, for use in TN-S and TT networks: Completely pre-terminated and ready for connection, consisting of: MC 50-B VDE: Lightning current arrestor, type 1 (Class B) to EN 61643-11 for interface 0 to 1 (LPZ) according to lightning protection zone concept to IEC 61313-1 and DIN VDE 0185-305. MC 125-B/NPE: N-PE spark gap, type 1 (Class B) to IEC 61643 for use in TN-S and TT systems. ? VDE test marks ? Conforms to VDN Directive 2nd Edition 2004 ? Cover and base, plug-in cover ? Arresting capacity 125 kA 10/350 ?s ? Voltage protection level ? Line following current quenching 25 kA Ipeak ? Incl. plug caps for identifying the connections ? Encapsulated, non-extinguishing spark gap: can be used in standard distributor housings Application example: Lightning current arrestor in accordance with VDN Directive 2nd Edition 2004 for pre-meter area. Note: Required as decoupling length for surge voltage protection of 5 m of cable. MC 50-B 3+1 Nominal voltage UN 230 SPD to EN 61643-11 Type 1 SPD to IEC 61643-11 Class I Lightning protection zone LPZ 0→1 Impulse discharge current (10/350) Iimp 50 Total discharge current (10/350) Itotal 125 Nominal discharge current (8/20) In 50 Arrestor surge current (8/20) [total] ITotal 8/20 125 Voltage protection level Up Response time tA Follow current quenching capacity (eff) [N-PE] Ifi 25 Maximum back-up fuse 500 Temperature range ? -40-85 Division unit TE (17.5 mm) 8 Protection rating IP20 Connection cross-section rigid 10-50 Connection cross-section, multi-wire 10-35 Connection cross-section, flexible 10-25 Connection options 用于TN-S和TT网络的4较照明控制器组