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Epoxy resin embedded pole JZDN
vacuum circuit breakerVCB

Epoxy resin embedded pole - JZDN - Henan ping high electric co., LTD. - vacuum circuit breaker / VCB

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Characteristics

Other characteristics

epoxy resin, vacuum circuit breaker, VCB

Voltage

40.5 kV

Current

Max.: 2,500 A

Min.: 1,250 A

Description

Key product features

Outstanding insulation performance:
- Integral encapsulation: vacuum arc chamber and main circuit conductors fully embedded in high-performance epoxy resin, eliminating surface flashover and pollution tracking risks
- Uniform electric field distribution: solid-sealed structure optimizes and evens the field to enhance dielectric strength
- High dielectric strength: epoxy resin provides elevated dielectric and withstand levels
- Dust and moisture resistant: fully sealed design protects against dust, humidity, salt spray and corrosive gases to maintain long-term insulation stability
High mechanical strength and environmental endurance:
- Robust construction: cured epoxy structure delivers high mechanical strength and rigidity to resist impact, vibration and stress
- Wide climatic suitability: applicable for high altitude, high/low temperature and high humidity environments
- Corrosion resistance: epoxy resists many chemical agents
Compact design and high integration:
- Space-saving: solid-sealed technology eliminates traditional insulator supports and air gaps, reducing pole and switchgear footprint
- Simplified architecture: integrates multiple functional components to streamline internal breaker design
High reliability and long service life:
- Low maintenance: sealed construction isolates critical components from environment, minimizing maintenance needs
- Vacuum arc chamber protection: epoxy shields ceramic vacuum interrupter housings from mechanical and environmental damage
- Stable performance: electrical and mechanical properties remain stable throughout service life
Superior anti-condensation performance: smooth, low-moisture-permeability epoxy surface reduces condensation formation in variable humidity conditions
Optimized conductive circuit:
- Low loop resistance: conductors assembled before encapsulation ensure reliable contacts and stable low resistance
- Efficient heat dissipation: encapsulation combined with internal thermal paths and external cooling features limits temperature rise
- High current-carrying capacity: reliable conductor layout supports rated current and short-circuit breaking capacity
Environmentally safe and non-hazardous:
- Non-polluting: epoxy materials are non-toxic and production can meet environmental requirements
- No oil or SF6: vacuum arc extinguishing and solid insulation remove oil and SF6 risks
Easy installation and maintenance:
- Modular design: pole supplied as a module for fast installation and replacement
- Standardized interfaces: mechanical and cabinet interfaces designed for interchangeability