MCD50B315096879, 5096 87 9, chống sét lan truyền, cắt lọc sét nguồn điện 3 pha, tủ cắt lọc sét 3 pha, OBO-Bettermann, Long Triết
Combination arrester, 4-pole, for use in TN-S and TT networks.
Completely pre-terminated and ready for connection, consisting of:MCD50B: Coordinated lightning current arrester, type 1 (Class B) to EN 61643-11 and MCD125BNPE: Coordinated N-PE spark gap, type 1 (Class B) to EN 61643-11 for use inTN- and TT systems. Interface 0 to 1 according to lightning protection zone concept accordingto IEC 61312-1 and VDE 0185-305 (IEC 62305).
• Arresting capacity 50 kA (10/350 μs) per pole (L-N)
• Arresting capacity 125 kA (10/350 μs) per pole (N-PE)
• Conforms to VDN Directive 2nd Edition 2004• Protection level < 1.3 kV
• Line follow current quenching 25 kA Ipeak
• lncl. plug caps for identifying the connections
• Encapsulated, non-extinguishing spark gapApplication: Lightning protection equipotential bonding in buildings with external lightning protectionof Class I to IV and in standard distributor housings.
MCD50B31 | |||
Article number |
| 5096 87 9 | |
Nominal voltage | UN | V | 75 |
SPD to EN 61643-11 | Type 1 | ||
SPD to IEC 61643-11 | Class 1 | ||
Lightning protection Zone LPZ | 0→2 | ||
Impulse discharge current (10/350) | Iimp | kA | 50 |
Total discharge current (10/350) | ITotal 10/350 | kA | 125 |
Nominal discharge current (8/20) | In | kA | 50 |
Arrestor surge current (8/20) [total] | ITotal 8/20 | kA | 125 |
Voltage protection level | Up | kV | 1,3 |
Response time | tA | ns | <100 |
Follow current interrupt rating | Ifi | kA | 25 |
Maximum back-up fuse | A | 500 | |
Temperature range | ϑ | °C | -40 - +85 |
Division unit TE (17.5 mm) | 8 | ||
Connection cross-section, rigid | mm² | 10 - 50 | |
Connection cross-section, multi-wire | mm² | 10 - 35 | |
Connection cross-section, flexible | mm² | 10 - 25 |