Surge arrester POLIM-4.5 ID
Silicone-housed surge arrester for DC traction system up to 3 kV with class DC-C for indoor use
POLIM-4.5 ID 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 62848-1 / EN 50526-1. POLIM 4.5..ID also has other certifications:
- Shock and vibration tested according to IEC 61373
- Fire and smoke behavior tested and classified according to EN 45545-2
It is used for secure protection of DC traction systems against overvoltages from atmospheric discharges and switching conditions. The product is suitable for indoor installation only.
Applications
- Equipment on rolling stock and locomotives (A1)
- Devices in DC installations
Brief performance data
| POLIM 4.5..ID | ||
|---|---|---|
| Class | DC-C | |
| Continuous voltage through arrester (Uc=Ur) | kV DC | 4.5 |
| Charge transfer capability (Qt) | As | > 7.5 As |
| Energy withstand capability (Wth) | kJ/kV (Ur) | 45 |
For more details see the data sheet in downloads below.
Get to know more
Something caught your eye?
Our sales team will get in touch with you