Type1+2 surge arrester designed for low-voltage power supply system protection against surges at the boundaries from lightning protection zone 0B-3 and higher.
Technical Parameters:
| Poles | 3+0,4+0,3+1 | 1+1,3+1 | |||||
| (L-N, PE, PEN) | X+1, N-PE) | ||||||
| Standards | EN 61643-11 | ||||||
| Category 1EC/VDE | Type1+2(lassl+lI, B+C,T1+T2) | ||||||
| Technology | GDT (Spark-gap) | ||||||
| Reference test vltage UREF | 250V AC | ||||||
| Rated operational voltage Un | 230/400 V AC | ||||||
| Max. continuous operating voltage Uc | 275VAC | 320VAC | 385VAC | 440VAC | 255V AC | ||
| Nominal frequencyf | 50/60Hz | ||||||
| Nominal discharge current（8/20） In kA | 60 kA per pole | 120 KA per pole | |||||
| Max. discharge current（8/20） Imax kA | 100 KA per pole | 60kA per pole 120kA NPE | |||||
| Lightning impulse current（10/350） limp | 25kA per pdle | 35 kAper pole | 50 kAper polle | 120kA per pole | |||
| Voltage protection level @In | < 1.8kV | <2.0kV | <22kV | < 25kV | < 1.8kV | ||
| Response time | ≤100 ns | ||||||
| FN-PE fllow current interrupting rating I6i | - | 100A | |||||
| Max. Permissible Strength of Backup Fuse | 315A gL/gG | - | |||||
Mechanical parameters：
|
Operating temperature range |
-40℃~+80℃ |
|
Cross-section of connection wire |
Single-strand:35mm2;multi-strand:25mm2 |
|
Torque applied by the screws |
2.0-2.5 Nm |
|
Installation |
35mm Installation DIN-rail, in accordance with:EN 50022/DIN46277-3 |
|
Enclosure material |
thermoplastic (UL94 V-0) |
|
Housing protection level |
IP20 |
|
Installation width |
8 modules ,DIN 43880 |
|
Thermal disconnector |
Yes |
|
Remote alarm contact |
Yes |
|
Additional data for Remote Alarm Contacts |
1.5mm²/0.5Nm, max |
|
Remote alarm contact type |
isolation C |
|
Switching capability Un/In |
AC:250V/0.5A DC:250V/0.1A;125V/0.2A;75V/0.5A |
|
Max. Size of connecting wire |
Max.1.5mm2(or# 16 AWG) |
Dimensions（mm）：
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