The TG3‑12KV/128 (100×100) Wall Bushing is designed for 12 kV medium-voltage systems, supporting a rated current of 630–1250A. It offers a power frequency withstand voltage of 48 kV for 1 minute and a lightning impulse withstand voltage of 75 kV. With composite insulation made of epoxy resin and silicone rubber, it delivers excellent insulation and environmental adaptability. The product meets IP67 protection standards, ideal for harsh industrial and outdoor applications.
Compliant with GB/T 4109 and IEC 60137 standards, this wall bushing features a mounting size of 100×100 mm (hole spacing) and is widely used for wall insulation and connection in switchgear, transformers, and ring main units. Its compact design and excellent sealing performance effectively prevent moisture and dust ingress, enhancing the safety and stability of power system operation.
| Type | TG3-12KV/128(100×100） |
| Rated Voltage | 12kV |
| Rated Current | 630A ~ 1250A |
| Power Frequency Withstand Voltage | 48kV/1min |
| Lightning Impulse Withstand Voltage | 75kV |
| Material | Epoxy Resin + Silicone Rubber Composite Insulation |
| Applicable Temperature Range | -40℃ ~ +70℃ |
| Protection Rating | IP67 (Dustproof & Waterproof) |
| Certification | GB/T 4109, IEC 60137 |
| Installation Dimensions | 100×100 mm (Hole Pitch) |
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