Description
Description
Standards
-
InternationalIEC 60099-4
Application
Surge arrester designed to protect medium voltage components, including transformers, equipment, cable and accessories from high voltage surges resulting from lightning or switching.
Technical characteristics
- Station class (SL); Qrs = 1.0 As.
- Energy absorption 4.0 kJ/kV_Ur.
- This surge arrester is a metal oxide varistor surge arrester in an elbow configuration.
- Each arrester is tested for AC withstand, partial discharge and critical voltage prior to leaving the factory.
Design 400PB-10SA
Dimensions 400PB-10SA
| Reference | Dimensions (mm) (indicative) | |
| L1 | L2 | |
| 400PB-10SA-6N | 270 | 310 |
| 400PB-10SA-9N | 270 | 310 |
| 400PB-10SA-12N | 270 | 310 |
| 400PB-10SA-15N | 270 | 310 |
| 400PB-10SA-18N | 270 | 310 |
| 400PB-10SA-22N | 270 | 310 |
| 400PB-10SA-24N | 370 | 410 |
| 400PB-10SA-27.5N | 370 | 410 |
| 400PB-10SA30N | 370 | 410 |
| 400PB-10SA-33N | 370 | 410 |
| 400PB-10SA-36N | 370 | 410 |
| 400PB-10SA-40N | 470 | 510 |
| 400PB-10SA-42N | 470 | 510 |
| 400PB-10SA-45N | 470 | 510 |
| 400PB-10SA-51N | 470 | 510 |
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Conductor material
Copper or Aluminum
Electrical characteristics
Electrical characteristics
High current impulse withstand
100 kA
Lightning current residual voltage [8/20 µs] @ 10 kA
92.4 kV
Lightning current residual voltage [8/20 µs] @ 20 kA
102.1 kV
Lightning current residual voltage [8/20 µs] @ 5 kA
86.7 kV
Max. continuous operating voltage Uc
26.4 kV
Nominal discharge current In
10 kA
Rated voltage Ur
33 kV
Steep current residual voltage @ 10 kA [1/20 µs]
99.7 kV
Switching impulse residual voltage [36/90 µs] @ 125 A
65 kV
Switching impulse residual voltage [36/90 µs] @ 500 A
68.5 kV
Usage characteristics
Usage characteristics
Interface
C (630 - 1250 A)
Resources
Resources
Selling & delivery Information
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