LSY3-10/107 Three-Phase Integrated Bushing Type Current Transformer – Zero-Sequence CT for Ring Main Unit (RMU) & Switchgear Protection
The LSY3-10/107 series three-phase integrated current transformer is a high-precision signaling component specifically designed for installation on the three-phase bushings of ring network switch cabinets and main column switches. This specialized CT excels in the measurement and protection of three-phase current and zero-sequence current, making it an essential unit for multi-cable circuits.
Key Features
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Integrated Three-phase Design: Optimized for seamless installation on the bushings of ring network switchgear and column switches.
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Zero-sequence Current Protection: Provides reliable measurement and protection for zero-sequence current in multi-cable systems.
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Vacuum-cast Epoxy Resin: High-quality internal insulation provides superior electrical stability and high dielectric strength.
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Flame-retardant & Moisture-proof: Features a rugged plastic shell designed to resist moisture and prevent flame spread in industrial settings.
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Maintenance-free Performance: Built with high-durability materials to ensure consistent, stable operation without the need for periodic maintenance.
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Versatile Application: Suitable for a variety of cable circuits requiring high-precision current feedback and system logic protection.
Technical Summary
| Attribute | Specification |
| Model | LSY3-10/107 Series |
| Type | Three-phase Integrated Bushing Type |
| Primary Function | Measurement and protection of zero-sequence current |
| Insulation | Vacuum-cast Epoxy Resin |
| Casing | Flame-retardant, Moisture-proof Plastic Shell |
| Installation Site | RMU switchgear, main column switches |
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