Featured Categories72.5kV SF6 Dead Tank Circuit Breaker
Overview
The 72.5kV SF6 dead tank circuit breaker is designed for controlled switching and fault interruption in outdoor substations. Its grounded tank arrangement provides a compact installation profile and supports integration with current transformers, operating mechanisms and station protection systems.
Product Advantages
Compact LayoutThe dead tank arrangement supports efficient use of substation space.
Stable InterruptionThe sealed interrupting chamber is designed for repeatable switching performance.
Protection IntegrationCurrent-transformer and control interfaces can be coordinated with the station scheme.
Maintainable DesignAccessible mechanisms and monitored gas compartments support planned inspection.
Typical Specifications
| Rated Voltage | 72.5 kV |
|---|---|
| Rated Current | 630–2500 A typical |
| Breaking Current | 31.5 / 40 kA typical |
| Interrupting Medium | SF6 |
| Operation | Spring or project-specific mechanism |
| Installation | Outdoor substation |
Typical configuration only. Final ratings are confirmed against project requirements.
Applications
Suitable for utility substations, industrial intake stations, renewable-energy grid connections and infrastructure networks. The final insulation, short-circuit and control requirements are confirmed against the system study.
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