| Customization: | Available |
|---|---|
| Transport Package: | Fumigation Wooden Box |
| Trademark: | YQALT |
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VBI/R-12 Vacuum Circuit Breaker with Lateral Operating Mechainsm
Product Overview:
The VBI/R-12 Vacuum Circuit Breaker with a lateral operating mechanism is designed for fixed installation applications. This circuit breaker is primarily used in fixed switchgear systems, where it provides reliable protection and control for electrical networks. It can operate independently, making it a versatile component suitable for a wide range of electrical installations. The breaker is especially well-suited for use in ring network power supplies, box transformers, and various non-standard power supply systems.
Application Environment:
The VBI/R-12 Vacuum Circuit Breaker is ideal for the following environments:
• Fixed Switchgear Systems: Designed specifically for fixed installations, providing stable and reliable operation in a controlled environment.
• Ring Network Power Supplies: Suitable for use in ring network configurations, offering efficient switching and protection in these systems.
• Box Transformers: The breaker can be integrated into box transformers, providing enhanced protection and control.
• Non-Standard Power Supply Systems: Versatile enough to be used in various non-standard power supply setups, adapting to specific system requirements.
Operating Conditions:
1. Voltage Compatibility: Engineered for medium-voltage applications, with an emphasis on 12kV power systems.
2. Fixed Installation: The breaker is intended for fixed installations, ensuring consistent and reliable performance in stationary switchgear setups.
Usage Considerations:
1. Lateral Operating Mechanism: The lateral operating mechanism provides ease of use and maintenance, making the breaker user-friendly and accessible.
2. Standalone Operation: Can be used independently, allowing for flexible application in various power distribution systems.
3. System Compatibility: Particularly suitable for ring network power supplies and non-standard power supply systems, offering adaptability to different operational environments.
Key Features:
• Fixed Installation Design: Tailored for use in fixed switchgear, ensuring a stable and secure installation.
• Versatile Application: Suitable for a wide range of power supply systems, including ring networks and box transformers.
• Lateral Operating Mechanism: Simplifies operation and maintenance, enhancing the usability of the circuit breaker.
This description highlights the VBI/R-12 Vacuum Circuit Breaker's key features, application environments, and operational considerations, emphasizing its suitability for fixed switchgear systems, ring networks, and non-standard power supply systems.
| Technical Specification | |||||
| Rated voltage | kV | 12 | |||
| Rated frequency | Hz | 50 | |||
| Rated insulation level | 1min power frequency withstand voltage (effective value) (interphase, relative ground, vacuum fracture) | kV | 42 | ||
| Lightning impulse withstand voltage (peak) (interphase,relative ground, vacuum fracture) | kV | 75 | |||
| Rated current | A | 630 | 630 | 1250 | |
| 1250 | 1250 | 1600 | |||
| Rated short-circuit breaking current | kA | 20 | 25 | 31.5 | |
| Rated short-term withstand current (rated short-term thermal stable current) | 20 | 25 | 31.5 | ||
| Rated short circuit closing current | 50 | 63 | 80 | ||
| Rated peak tolerance current (rated dynamic stable current) | 50 | 63 | 80 | ||
| Disconnecting current of dissimilar grounding fault | 17.4 | 21.75 | 27.4 | ||
| Rated short circuit duration (rated thermal stability time) | s | 4 | |||
| Rated operation sequence | 0-0.3s-C0-180s-C0 | ||||
| Rated short-circuit breaking current breaking times | Times | 30 | |||
| Rated cable charging breaking current | A | 25 | |||
| Rated single capacitor bank breaking current | 630 | ||||
| Rated back-to-back capacitor bank breaking current | 400 | ||||
| Mechanical life | Times | 10000 | |||
| Dynamic and static contacts allow wear cumulative thickness | mm | 3 | |||
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