Power Transformers

Power Transformers for utility grids, substations and industrial power systems, with OEM/ODM customization, stable supply and strict manufacturing control.

FZRN21 40.5 35kV Indoor Vacuum Load Break Switch Fuse Combination Unit Three Phase 630A 31.5kA Transformer Protection

$889 /set

Price varies depending on material, logo, quantity and customization requirements.

MOQ 1 set
Model NO. energy-23337
Service OEM / ODM
Quality You Can Trust
Flexible & Scalable Solutions
Customizable Product Options
Comprehensive Specifications
Your Reliable Business Partner

Introduction

ApplicationIndustrialNumber of Pole3
Frequency50 Hz, 60 HzTypeLoad-Break Switches
MaterialCopperRated Voltage40.5kV (suitable for 35kV system)
Rated Current (LBS)630A / 1250ARated Load Breaking Current630A
Rated Short-Circuit Making Current31.5kA (peak 80kA)LBS Mechanical Life100,000 operations
Fuse Rated CurrentT125A / T200A / T315A / T400A / T630A (match transformer rating)Fuse Breaking Current31.5kA (current-limiting HV fuse)
Power Frequency Withstand95kV (1min)Lightning Impulse BIL185kV
Operating MechanismManual spring / Motor-driven (optional)

We are China Loong Energy Equipment Co., Ltd., a professional manufacturer and supplier specializing in Energy Equipment. We have brought together and coordinated resources across the Energy Equipment supply chain, enabling us to maintain consistent product quality and establish long-term partnerships with clients worldwide.

Our mission is to provide high-quality products and reliable service. We are committed to offering the following advantages:

  • Stable production system ensuring consistent quality, dependable supply, and standardized manufacturing management;
  • Strict quality control covering material selection, processing, surface finishing, and final packaging;
  • Variety of products and specifications to meet diverse project requirements and application scenarios;
  • OEM & customization support based on drawings, samples, or specific technical requirements;
  • Flexible packaging solutions to ensure safe handling and transportation of products;
  • Continuous improvement in products and services to better support customers in different markets.

If you are interested in our products, please feel free to contact us. We look forward to establishing long-term and mutually beneficial cooperation with you.

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FZRN21 40.5 35kV Indoor Vacuum Load Break Switch Fuse Combination Unit Three Phase 630A 31.5kA Transformer Protection

SKU: energy-23337

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