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LRBT-72.5/126/145/252
1. Product Description
This current transformer series is mainly for GCB tank circuit breaker support, CT is an independent unit.CT unit primarily consists of a secondary coil, and stainless steel shell, after the relevant electrical performance test at the factory, the circuit breaker manufacturers do not need to assemble the CT in the factory, directly into the CT unit into the circuit breaker can be, the product is equipped with lifting lugs, easy to install, reliable performance.
2. Main features
• Primary insulation medium: SF6 or mixed gas.
• The secondary insulation medium: PET polyester film.
• Applicable places: indoor or outdoor.
• Installation method: vertical installation.
• Coil fixing method: casting type.
• Coil installation: external type, with a waterproof layer.
• The secondary outlet box has a dustproof, waterproof, and breathable sealing structure, which meets the requirement of IP55.
• The shell is made of 304 or 316L stainless steel, and after passivation treatment, good corrosion resistance, suitable for high salt spray areas, such as offshore wind farms.
3. Main Technical Parameters
| Voltage level (kV) | 72.5/126/145/252 |
| Rated frequency (Hz) | 50 or 60. |
| Accuracy level (combination on demand) | 0.1,0.2,0.5,1,3,0.2S,0.5S,5P,10P,5PR,10PR, PX, PXR, X, PS, TPY, TPS, TPX, TPZ |
| Rated primary current (A) | 75~8000 |
| Rated secondary current (A) | 1,2,5 |
| Rated load (VA) | 1~200 |
| Secondary winding frequency withstand voltage (kV) | 3 |
| Secondary winding turn-to-turn withstand voltage (kV) | 4.5 |
1. Product Description
This current transformer series is mainly for GCB tank circuit breaker support, CT is an independent unit.CT unit primarily consists of a secondary coil, and stainless steel shell, after the relevant electrical performance test at the factory, the circuit breaker manufacturers do not need to assemble the CT in the factory, directly into the CT unit into the circuit breaker can be, the product is equipped with lifting lugs, easy to install, reliable performance.
2. Main features
• Primary insulation medium: SF6 or mixed gas.
• The secondary insulation medium: PET polyester film.
• Applicable places: indoor or outdoor.
• Installation method: vertical installation.
• Coil fixing method: casting type.
• Coil installation: external type, with a waterproof layer.
• The secondary outlet box has a dustproof, waterproof, and breathable sealing structure, which meets the requirement of IP55.
• The shell is made of 304 or 316L stainless steel, and after passivation treatment, good corrosion resistance, suitable for high salt spray areas, such as offshore wind farms.
3. Main Technical Parameters
| Voltage level (kV) | 72.5/126/145/252 |
| Rated frequency (Hz) | 50 or 60. |
| Accuracy level (combination on demand) | 0.1,0.2,0.5,1,3,0.2S,0.5S,5P,10P,5PR,10PR, PX, PXR, X, PS, TPY, TPS, TPX, TPZ |
| Rated primary current (A) | 75~8000 |
| Rated secondary current (A) | 1,2,5 |
| Rated load (VA) | 1~200 |
| Secondary winding frequency withstand voltage (kV) | 3 |
| Secondary winding turn-to-turn withstand voltage (kV) | 4.5 |
