Pfisterer CONNEX Surge Arresters
Thorne & Derrick | Distributed from Stock | Approved Supplier | UK & Export Sales
CONNEX
Surge Arresters
Pfisterer CONNEX surge arresters provide medium/high voltage protection to metal-enclosed switchgear and transformers equipped with plug-in type bushings according to CENELEC EN 50180 / 50181 – available to suit size 1, 2 or 3 size requirements.
Pluggable 10kA type surge arresters are according to DIN VDE 0675 Part 4 and IEC99-4 – suitable for inner-cone plug-in cable termination for use with gas insulated switchgear according to EN50180/EN50181.
- Entirely metal-enclosed, fully insulated and touch-proof surge arresters
- No arc base – free from arcing and touchproof
- High short-circuit strength for MV-HV electrical protection
- Maintenance free MV-HV surge arresters
- Outdoor and offshore installation with IP66 ingress protection
- Optical indication of surges
Medium & High Voltages MV HV
Thorne & Derrick distribute Pfisterer CONNEX Surge Arresters to provide overload and lightning protection to gas insulated switchgears/transformers (GIS) and high voltage power cable systems – we provide competitive prices and technical support for surge arresters from extensive stocks to UK and international destinations.
- Ur Rated Voltage
- Uc Maximum Continuous Operating Voltage (MCOV)
- Type of Neutral Point
- Insulated or Compensated Uc = Umax
- Solidly Earthed Ur = Umax
- Line Discharge Class – Class 1 Surge Arrester
- Energy Absorption Capacity – 2 kJ/kVBem.
- Rated Discharge Surge Current – 10kA, 8/20 us
- High Peak Current – 65kA, 4/10 us
- Long Wave Peak Current – 250A 2 ms
- Short Circuit Withstand Current – 16kA 0.2s
Surge Arresters
The following table enables the selection of the correct Pfisterer CONNEX surge arrester – contact us for technical or specification support:
Ur (kV) | Uc (kV) | Size 1 Arrester | Size 2 Arrester | Size 3 Arrester | Max. residual voltage Ures with 10kA |
Pfisterer CONNEX Surge Arrester – Part Number | |||||
7.5 | 6.0 | 827 513-075 | 827 523-075 | 827 537-075 | 22 |
9.0 | 7.0 | 827 513-090 | 827 523-090 | 827 537-090 | 26 |
12.5 | 10.0 | 827 513-125 | 827 523-125 | 827 537-125 | 37 |
15.0 | 12.0 | 827 513-150 | 827 523-150 | 827 537-150 | 44 |
17.5 | 14.0 | 827 513-175 | 827 523-175 | 827 537-175 | 51 |
19.0 | 15.0 | 827 513-190 | 827 523-190 | 827 537-190 | 56 |
21.5 | 17.0 | 827 513-215 | 827 523-215 | 827 537-215 | 63 |
24.0 | 19.0 | 827 513-240 | 827 523-240 | 827 537-240 | 70 |
30.0 | 24.0 | 827 513-300 | 827 523-300 | 827 537-300 | 87 |
36.0 | 29.0 | 827 513-360 | 827 523-360 | 827 537-360 | 105 |
45.0 | 36.0 | 827 523-450 | 827 537-450 | 131 | |
51.0 | 40.8 | 827 523-510 | 827 537-510 | 147 | |
52.5 | 42.0 | 827 523-525 | 827 537-525 | 152 |
➡ Also: Pfisterer CONNEX Bushings
Pfisterer Surge Arresters | Size | Rated Voltage Ur Ur (kV) |
Max. Continuous Rating Uc Uc (kV) |
---|---|---|---|
827 513 075 | 1 | 7.5 | 6 |
827 513 090 | 1 | 9 | 7 |
827 513 125 | 1 | 12.5 | 10 |
827 513 150 | 1 | 15 | 12 |
827 513 175 | 1 | 17.5 | 14 |
827 513 190 | 1 | 19 | 15 |
827 513 215 | 1 | 21.5 | 17 |
827 513 240 | 1 | 24 | 19 |
827 513 300 | 1 | 30 | 24 |
827 513 360 | 1 | 36 | 29 |
827 523 075 | 2 | 7.5 | 6 |
827 523 090 | 2 | 9 | 7 |
827 523 125 | 2 | 12.5 | 10 |
827 523 150 | 2 | 15 | 12 |
827 523 175 | 2 | 17.5 | 14 |
827 523 190 | 2 | 19 | 15 |
827 523 215 | 2 | 21.5 | 17 |
827 523 240 | 2 | 24 | 19 |
827 523 300 | 2 | 30 | 24 |
827 523 360 | 2 | 36 | 29 |
827 527 450 | 2 | 45 | 36 |
827 527 510 | 2 | 51 | 40.8 |
827 527 525 | 2 | 52.5 | 42 |
827 537 075 | 3 | 7.5 | 6 |
827 537 091 | 3 | 9 | 7 |
827 537 125 | 3 | 12.5 | 10 |
827 537 150 | 3 | 15 | 12 |
827 537 175 | 3 | 17.5 | 14 |
827 537 190 | 3 | 19 | 15 |
827 537 215 | 3 | 21.5 | 17 |
827 537 240 | 3 | 24 | 19 |
827 537 300 | 3 | 30 | 24 |
827 537 360 | 3 | 36 | 29 |
827 539 450 | 3 | 45 | 36 |
827 539 510 | 3 | 51 | 40.8 |
827 539 525 | 3 | 52.5 | 42 |
➡ Should you require customer service or technical support please contact us – view the full range of Pfisterer Surge Arresters below.