The GE CK12BE311D is a premium high-voltage circuit breaker designed for critical power distribution applications requiring reliable interruption capabilities. As part of GE’s industrial power solutions portfolio, this breaker provides superior protection for electrical systems operating at medium to high voltage levels. The CK12BE311D combines robust mechanical design with advanced arc-quenching technology, making it suitable for demanding industrial environments.
Engineered for optimal performance, the GE CK12BE311D features a modular design that simplifies maintenance while maintaining the high reliability standards expected from GE’s power distribution products. Its innovative operating mechanism ensures fast, consistent switching operations throughout the product’s extended service life.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Model | CK12BE311D |
| Manufacturer | GE |
| Product Type | High-Voltage Circuit Breaker |
| Rated Voltage | 12kV |
| Rated Current | 1250A |
| Short-Circuit Breaking Capacity | 25kA |
| Operating Mechanism | Spring-operated |
| Contact Material | Silver-tungsten alloy |
| Dielectric Strength | 36kV (1min power frequency) |
| Mechanical Life | 10,000 operations |
| Electrical Life | 1,000 operations at rated current |
| Dimensions | 800mm × 600mm × 1200mm |
| Weight | 220kg |
| Protection Rating | IP40 |
| Operating Temperature | -30°C to +60°C |
Main Features and Advantages:
The GE CK12BE311D delivers exceptional interruption performance with its advanced arc-extinguishing chamber design and optimized contact system. Its spring-operated mechanism provides consistent switching speeds regardless of environmental conditions.
Safety features: The breaker includes comprehensive mechanical interlocks and visual position indicators to ensure safe operation. The CK12BE311D also features integrated current sensors for condition monitoring, enabling predictive maintenance and reducing system downtime.
Application Areas:
- Power Distribution: Substation protection
- Industrial Plants: Factory power systems
- Renewable Energy: Wind/solar farm integration
- Mining Operations: High-demand power circuits
- Infrastructure: Hospital/airport backup systems
Related Products:
- CK12BE311C: Lower current version (800A)
- CK12BE311E: Higher breaking capacity model
- CK15BE311D: 15kV rated variant
- CK12AE311D: Air-insulated version
- CK12GE311D: GIS version
Installation and Maintenance:
Installation preparation: Verify proper foundation strength and clearances before installing the GE CK12BE311D. Ensure all connections are properly torqued and follow recommended cable routing practices for optimal performance.
Maintenance recommendations: Perform regular mechanical operation tests and contact resistance measurements. The CK12BE311D requires annual preventive maintenance to ensure long-term reliability, including lubrication of moving parts and inspection of contact surfaces.
Product Assurance:
GE provides a standard 12-month warranty for the CK12BE311D. Each unit undergoes rigorous testing to ensure reliable operation in demanding power distribution applications.
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