Pfisterer 827 537 240
Pfisterer 827 537 240
CONNEX Surge Arrester
827537240
➡ View complete range of MV HV Surge Arresters manufactured by Pfisterer – stock code 827 537 240 manufactured by Pfisterer is a Class/Size 3 surge arrester for medium/high voltage electrical power networks.
827 537 240 pluggable surge arrester is according to DIN VDE 0675 Part 4 and IEC 99-4 suitable for inside-cone termination according to EN50180/EN50181 – 10kA type.
♦ Class 1 | Class 2 Medium & High Voltage Surge Arresters
- Pfisterer Part Number: 827 537 240
- Connex Surge Arrester Size: 3
- Rated voltage U r (kV): 7.5
- Max. Continuous voltage U c (kV): 6
- Operating temperature (°C): -25 to +40
- Max. Residual voltage U res at 8/20 μs 5 kA (kV): 20
- Max. Residual voltage U res at 8/20 μs 10 kA (kV): 22
- Max. Residual voltage U res with steep shock 1/20 μs (kV): 23
- Line discharge class: 1
- Energy absorption: 2
- Rated discharge current (8 / 20μs): 10
- High surge current (4 / 10μs): 65
- Long wave shock current (2000 μs): 250
- Short-circuit strength N: 16
- Ground wire sqmm: Minute 16
- Pfisterer Surge Arrester Size 3
Pfisterer 827 537 240 – Dimensions
- Length l – 490mm
- Thickness d – 98mm
- Measure x – 80mm
Pfisterer 827 537 240 CONNEX Surge Arrester Size 3
Technical Specification
The following table enables the selection of the correct Pfisterer CONNEX size 3 surge arrester to be selected for use with MV HV medium/high voltage power switchgear and substation systems – contact us for technical or specification support:
| Pfisterer Connex Surge Arrester | 827 537 240 |
|---|---|
| Size | 3 |
| Rated voltage Ur | 21.5 Ur (kV) |
| Max. continuous rating Uc | 17 Uc (kV) |
| Environment temperature | -25 up to +40(°C) |
| Max. residual voltage Ures at 5 kA, 8/20 µs | 58 8/20 μs 5 kA (kV) |
| Max. residual voltage at 10 kA, 8/20 | 63 8/20 μs 10 kA (kV) |
| Max. resitual voltage Uresat steep impulse 1/20 μs | 67 Steilstoß 1/20 μs (kV) |
| Line discharge class | 1 |
| Power consumption capacity | 2 |
| Rated discharge surge current (8/20µs) | 10 |
| High peak current (4/10µs) | 65 |
| Long-wave peak current (2000 µs) | 250 |
| Short-circuit withstand current | 16 (kA) |
| Earth Conductor | min. 16 (sqmm) |
➡ See the complete range of Pfisterer CONNEX inner cone plug terminations to connect and terminate medium/high voltage cables operating typically at 11kV, 20kV 33kV and 66kV voltages into gas insulated switchgear.
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We provide electrical safety equipment to substation engineers, cable jointers, overhead linesmen and utility workers with PPE and electrical equipment including insulating gloves, voltage detectors, insulating matting and portable earthing to ensure worker safety when carrying out maintenance on LV-HV switchgear, substations, cables and electrical equipment – providing working protection during the pulling, jointing, termination and commissioning of medium/high voltage power systems.
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Pfisterer Surge Arresters – 11kV 33kV MV HV Medium High Voltage ArrestersDownload
