Surge arrester POLIM-C LB
Silicone-housed surge arrester of IEC class station low (SL) for AC systems
POLIM-C LB is a surge arrester with metal-oxide (MO) resistors without spark gaps directly molded in silicone housing, grey color, designed and tested according to IEC 60099-4; and it fulfills the requirement of ANSI/IEEE C62.11. Fire and smoke behavior tested and classified according to EN 45545-2.
It is used for secure protection of medium voltage systems against overvoltages from atmospheric discharges and switching conditions. The product is suitable for indoor installation only.
Applications
Surge protection of -
- Rotating machines
- Cable sheath
- Components of secondary equipment
Brief performance data
| POLIM-C LB | ||
|---|---|---|
| Maximum system voltage (Us) | kV | 52 |
| Continuous voltage through arrester (Uc) | kVrms | 4.4-4.8 |
| Rated voltage of arrester (Ur) | kVrms | 0.55-6 |
| Nominal discharge current (In) | kApeak | 10 |
| Thermal energy rating (Wth) | kJ/kV (Ur) | 5 |
For more details see the data sheet in downloads below.
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