Nexans 400AR-4BC | In-Air Bushing | MV Medium Voltage Bushings
Nexans 400AR-4BC | MV Bushings
Nexans 400AR-4BC medium voltage interface C bushings are designed for use in equipment insulated with air – typically for switchgear, capacitors and motors. Available up to 24 kV – 1250 A
The 400AR-4BC is also now available with ATEX/IECEx/UKEx certification for use in potentially explosive atmospheres *up to 12 kV max.
International Standards – CENELEC HD 629.1; IEC 60099-4
Nexans 400AR-4BC TECHNICAL CHARACTERISTICS
Each Nexans bushing is tested for AC withstand and partial discharge prior to leaving the factory.
| Construction characteristics | |
| Connector shape | Bushing |
| Connector type | Male |
| Conductor material | Copper or Aluminum |
| Technology | Cast resin |
| Dimensional characteristics | |
| Conductor cross-section, range | 35 – 1200 mm² |
| Electrical characteristics | |
| Rated Voltage Uo/U (Um) | 12 / 20 (24) kV |
| Maximal partial discharge at 2Uo | 10 pC |
| Dielectric withstand voltage, 50Hz 1mn | 55 kV |
| Impulse voltage | 125 kV |
| Usage characteristics | |
| Interface | C (630 – 1250A) |
In-Air Bushing SPECIFICATIONS AND STANDARDS
The bolted type equipment bushings 400AR-4BC are moulded epoxy insulated parts and meet the requirements of CENELEC EN 50180. A non-tracking insulating rubber boot is installed over the bushing shank.
ORDERING INSTRUCTIONS
To order the equipment bushing, specify the type. The bushings can be supplied with an earth jumper (/J) or an earth plate (/GS). This earth connection must be specified when ordering. E.g. K400AR-4BC/GS. For use in potentially explosive atmospheres (for 12 kV max). Order: -/ATEX
| Equipment bushing type | Voltage Um (kV) | Current Ir (A) | Creepage length A-B (mm) |
| 400AR-4BC | 12 | 1250 | 315 |
| K400AR-4BC | 24 | 1250 | 315 |
FIXINGS FOR EQUIPMENT BUSHINGS
| To order the bushing clamping kit, according to NFC 52-053 standards, simply specify: KBC – NFC 52-053 /400 SERIES.
Contents: – 4 x claw clamp NF400 – 1 x sealing gasket. |
To order the bushing clamping kit with DIN style fixing flange, simply specify: KBC – RING CLAMP 3. Contents:
-1 x fixing flange Ø150 mm |
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 400AR-4BC/GS Fixing Dimensions
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 400AR-4BC/J Fixing Dimensions |
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Nexans 400AR-4BC BushingDownload
