The CWL Outdoor-Indoor Aluminium Conductor Wall Bushing is a porcelain-insulated through-wall bushing designed for medium-voltage power systems.
Available in voltage ratings from 6kV to 35kV and current ratings up to 3150A, it provides dependable insulation and mechanical support for aluminum conductors in substations, switchgear, and industrial electrical installations
The CWL Series Outdoor-Indoor Aluminium Conductor Wall Bushing is designed for power stations, substations, switchgear, and high-voltage electrical equipment. It allows aluminum conductors or busbars to safely pass through walls, grounded partitions, and equipment enclosures while providing reliable electrical insulation and mechanical support. CWL bushings are widely used in medium-voltage distribution systems from 6kV to 35kV.
CWL – Outdoor-Indoor Aluminium Conductor Wall Bushing
CWL-35/630
| Parámetro | Valor |
|---|---|
| Tensión nominal | 6kV – 35kV |
| Corriente nominal | 200A – 3150A |
| Frequency | 50/60Hz |
| Conductor Material | Aluminum |
| Insulator Material | Electrical Porcelain |
| Installation Type | Outdoor-Indoor Through Wall |
| Power Frequency Withstand Voltage | Up to 100kV |
| Lightning Impulse Withstand Voltage | Up to 231kV |
| Ambient Temperature | -40°C to +40°C |
| Standard | GB/T 12944.1, GB/T 12944.2 |
| Pollution Class | Standard and Anti-Pollution Types Available |
| Tensión nominal | Typical Current Ratings |
|---|---|
| 6kV | 200A–3150A |
| 10kV | 200A–3150A |
| 20kV | 200A–3150A |
| 24kV | 200A–3150A |
| 35kV | 200A–3150A |

| Modelo | Número de diagrama | Tensión nominal kV | Corriente nominal A | Longitud total L | L1 | L2 | Conectores de terminales | Conductor | Brida de instalación | Peso Kg | ||||||||||
| L3 | a1 | a2 | d1 | Número de agujero | b1 | b2 | b3 | Cantidad de barras | d | a | d2 | Número de agujero | ||||||||
| CWL-10/200 | 1 | 10 | 200 | 520 | 360 | 158 | 75 | 15 | 30 | 11 | 2 | 4 | 30 | / | 1 | 114 | 175 | 14 | 2 | 5.7 |
| CWL-10/400 | 1 | 10 | 400 | 520 | 360 | 158 | 75 | 15 | 30 | 11 | 2 | 5 | 40 | / | 1 | 114 | 175 | 14 | 2 | 5.8 |
| CWL-10/600 | 1 | 10 | 600 | 560 | 360 | 158 | 95 | 20 | 40 | 13 | 2 | 8 | 40 | / | 1 | 114 | 175 | 14 | 2 | 6 |
| CWL-10/1000 | 2a | 10 | 1000 | 520 | 360 | 158 | 75 | 15 | 30 | 14 | 4 | 12 | 60 | / | 1 | 145 | 150 | 14 | 4 | 7.7 |
| CWL-10/1500 | 2b | 10 | 1500 | 520 | 360 | 158 | 75 | 15 | 30 | 14 | 4 | 12 | 60 | 10 | 2 | 145 | 150 | 14 | 4 | 8.8 |
| CWL-10/2000 | 3a | 10 | 2000 | 600 | 365 | 158 | 115 | 25 | 50 | 18 | 4 | 10 | 100 | 10 | 2 | 200 | 200 | 14 | 4 | 14.5 |
| CWL-10/3000 | 3b | 10 | 3000 | 600 | 365 | 158 | 115 | 25 | 50 | 18 | 4 | 12 | 100 | 10 | 3 | 200 | 200 | 14 | 4 | 17 |
| CWL-20/2000 | 4a | 20 | 2000 | 835 | 590 | 255 | 115 | 25 | 50 | 18 | 4 | 10 | 100 | 10 | 2 | 250 | 220 | 15 | 4 | 29.6 |
| CWL-20/3000 | 4b | 20 | 3000 | 835 | 590 | 255 | 115 | 25 | 50 | 18 | 4 | 12 | 100 | 10 | 3 | 250 | 220 | 15 | 4 | 33 |
| CWL-35/200 | 5 | 35 | 200 | 980 | 815 | 372 | 75 | 15 | 30 | 11 | 2 | 4 | 30 | / | 1 | 220 | 200 | 15 | 4 | 31 |
| CWL-35/400 | 5 | 35 | 400 | 980 | 815 | 372 | 75 | 15 | 30 | 11 | 2 | 5 | 40 | / | 1 | 220 | 200 | 15 | 4 | 31.2 |
| CWL-35/600 | 5 | 35 | 600 | 1020 | 815 | 372 | 95 | 20 | 40 | 13 | 2 | 8 | 40 | / | 1 | 220 | 200 | 15 | 4 | 31.6 |
| CWL-35/1000 | 6a | 35 | 1000 | 980 | 815 | 372 | 75 | 15 | 30 | 14 | 4 | 12 | 60 | / | 1 | 245 | 220 | 15 | 4 | 33 |
| CWL-35/1500 | 6b | 35 | 1500 | 980 | 815 | 372 | 75 | 15 | 30 | 14 | 4 | 12 | 60 | 10 | 2 | 245 | 220 | 15 | 4 | 34.6 |
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