Products Description
These are low‑voltage transformer porcelain bushings, designed for the low‑voltage side of oil‑immersed distribution transformers. They provide reliable insulation, oil sealing, and stable current transmission between internal windings and external circuits.
Material & Structure: Made of high‑strength brown‑glazed porcelain with a compact, robust design. The bushings are equipped with metal flanges for secure mounting, and their internal cavities accommodate pure copper conductors for efficient current flow.
Performance: They offer excellent dielectric strength, oil resistance, and anti‑aging properties, ensuring long‑term stable operation in transformer oil. The design minimizes temperature rise and power loss under rated load conditions.
Standards: Compliant with IEC 60137, DIN 42530, and GB/T 4109 standards, ensuring compatibility and safety in global power systems.
Applications: Primarily used for low‑voltage outgoing connections in oil‑immersed distribution transformers (1kV and below). Available in a range of sizes to accommodate different current ratings (250A, 400A, 630A, 1000A, etc.).
| Model | Rated Voltage | Rated Current | Insulation Material | Conductor Material | Creepage Distance | Net Weight (Approx.) |
| EN-1/250 | 1 kV | 250 A | High‑strength brown‑glazed porcelain | 99.9% Pure Copper | ≥ 160 mm | ~ 8 kg |
| EN-1/400 | 1 kV | 400 A | High‑strength brown‑glazed porcelain | 99.9% Pure Copper | ≥ 180 mm | ~ 9 kg |
| EN-1/630 | 1 kV | 630 A | High‑strength brown‑glazed porcelain | 99.9% Pure Copper | ≥ 200 mm | ~ 10 kg |
| EN-1/1000 | 1 kV | 1000 A | High‑strength brown‑glazed porcelain | 99.9% Pure Copper | ≥ 220 mm | ~ 12 kg |
We can supply various types of insulators.
Applications
Brown Insulated porcelain bottle transformer mainly used in transformers and high-voltage overhead power lines to insulate and support wires.
FAQ
Q：Can you make our design for the package?
A：Yes, please send us the design you need ,we will value the price and make the exact same package basing on your design.
Q：What's the universal lead-time for order delivery?
A：20-30days or basing on your qty.
Q：What can you get from us?
A：Excellent products (unique design, advance printing machine,strict quality control ) Factory direct sale (favorable and competitive price) Great service(OEM,ODM, after-sales services, fast delivery) Professional business consultation.
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