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How to Choose the Right Outdoor PoleMounted Circuit Breaker
Outdoor pole-mounted circuit breakers are widely used in rural power distribution, industrial facilities, substations, and renewable energy systems to ensure safe and reliable electricity.
1. Technical Specifications
- Voltage Rating:
- What is your system voltage? Examples: 12kV, 24kV, or higher.
- Rated Current:
- What is the maximum load current? Common ratings: 630A, 1250A.
- Short-Circuit Breaking Capacity:
- What is the maximum short-circuit current? Examples: 16kA, 20kA, 25kA.
2. Installation Environment
- Location:
- Is it a standard area or a special environment (e.g., high humidity, coastal, high altitude)?
- Temperature Range:
- What is the required operating temperature range?
- Protection Level:
- Is a high IP rating (e.g., IP55 or above) necessary?
3. Application Needs
- Load Type:
- What equipment will the breaker protect? Examples: industrial loads, distributed power, grid sections.
- Operation Mode:
- Do you need remote operation or automation (e.g., SCADA support)?
- Communication Protocols:
- Should it support IEC 61850, Modbus, DNP3, etc.?
4. Special Features
- Insulation Medium:
- Do you prefer SF₆ gas or eco-friendly vacuum insulation?
- Automation Requirements:
- Is auto-reclosing or fault isolation required?
- Seismic and Corrosion Resistance:
- Is additional anti-seismic design or corrosion protection (e.g., for coastal areas) needed?
5. Budget and Delivery
- Budget:
- What is the approximate price range per unit?
- Lead Time:
- Is there a specific delivery deadline?
6. System Compatibility
- Pole Specifications:
- What are the diameter and load capacity of your existing poles?
- Auxiliary Equipment:
- Do you need additional components (e.g., transformers, protection relays)?
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