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Help CenterSingle-Phase 5-20 24kV High Voltage Cabinet LZZBJ9-20 for MV Transformer Protection
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Jinhua Dika Electrical Equipment Co., Ltd., a trusted ISO9001-certified manufacturer based in Zhejiang, China, proudly presents the Single-Phase LZZBJ9-20 High Voltage Cabinet. Engineered for critical medium-voltage transformer protection, this cabinet delivers unparalleled reliability in power distribution networks. With over US$1 million in annual exports to global markets including North America, Europe, and Asia, our solutions meet stringent international demands for safety and performance.
Core Advantages:
- Precision Protection: Specifically designed to safeguard 24kV transformers against overloads and faults.
- Robust Construction: Industrial-grade materials ensure longevity in harsh environments.
- Simplified Maintenance: Modular design reduces downtime during service operations.
Technical Specifications:
| Parameter | Value |
|---|---|
| Rated Insulation Level | 125kV lightning impulse |
| Operating Temperature | -25°C to +40°C |
| Protection Class | IP42 (customizable) |
| Busbar Current Rating | 630A-1250A (configurable) |
Structural Features:
- Vacuum circuit breaker integration for arc-free interruption
- Grounding switch with mechanical interlock system
- CT/PT compartments with independent metering
- Cable termination with silicone rubber sealing
Why Global Partners Choose Us: With shipments processed through major ports like Shanghai and Ningbo, Jinhua Dika serves 15+ international markets. Our 50-person engineering team ensures every LZZBJ9-20 cabinet undergoes 72-hour operational testing before delivery. This commitment to quality has established our products in power grids across Southeast Asia’s industrial zones and Europe’s renewable energy facilities.
FAQ Section
Q1: What transformers is this cabinet compatible with?
A: Designed for 24kV oil-immersed or dry-type transformers up to 10MVA capacity.
Q2: Are remote monitoring options available?
A: Yes, RS485 communication and IoT sensors can be integrated upon request.
Q3: What is the lead time for bulk orders?
A: Standard delivery is 4-6 weeks for 20+ units, with expedited shipping available.
Q4: Does it comply with IEC standards?
A: Manufactured according to IEC 62271-200 & 60265 specifications.
Q5: How are surge protectors configured?
A: Zinc-oxide arresters are standard on all incoming lines.
Q6: Can you provide installation supervision?
A: Global technical support teams available for commissioning.
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