High-Quality ZGS□-12 Combined Transformer

YBWF/G-40.5/0.69 Wind Power Transformer/Photovoltaic Power Transformer

SCB□ series 6-10kV Dry-Type Power Transformer

S□ series 6-10kV Oil-Immersed Power Transformer

Indoor high voltage vacuum circuit breaker series

XGN15-12 Box-type Fixed Ring Main Unit Switchgear

TRXGN-12 Air (Environmentally Friendly Gas) Insulated Ring Main Unit

MNS Low-Voltage Withdrawable Switchgear

Cable Branch Box with SF6 Load Switch

35kV European-style cable branch box

Indoor Voltage Transformer (For Ring Network Cabinet).jpg

China Indoor Voltage Transformer for Ring Network Cabinets - High-Quality Suppliers and Factory for 10kV Solutions

Introducing the JSZW12A-6, 10NFR model, a premier indoor voltage transformer meticulously crafted in China for the State Grid standard. This three-phase, five-column transformer is specifically designed for 10kV ring network cabinets. Utilizing a cutting-edge 4PT anti-ferromagnetic resonance technology, it effectively prevents resonance during system ground faults, ensuring continual and stable operation, The transformer features a primary terminal, equipped with a fused American 200A large-diameter elbow plug, delivering a reliable 220V power supply. With precise voltage measurement capabilities and robust zero-sequence protection, it operates seamlessly in 50/60Hz AC systems. As a trusted product from top suppliers and a leading factory in the industry, the JSZW12A-6, 10NFR model is your ideal choice for dependable voltage transformation solutions

Product Details

Product Model

Indoor Voltage Transformer For Ring Network Cabinet

Technical Parameters

Reference voltage: 10kV
Rated insulation: Horizontal 12 / 42 / 75 kV
Power factor: cos Փ = 0.8 (lag)

Model	Accurate Level & Rated Secondary Output (VA)	Limit Output	Remarks
JSZW12A-10NFR	3/3P 3×500/100	3×500(1000)
	0.5/3/3P 3×30/3×300/30	3×300/3×500(1000)	220V For operation power supply
	0.5/3/3P 3×30/3×300/50	3×300/3×500(1000)
	0.5/3/3P 3×50/3×500/100	3×300/3×500(1000)

📌 Note: If there are special requirements for transformer ratio and load, please indicate in the order.

Outline Dimension

Wiring Principle Diagram

❓ Frequently Asked Questions

Q What is the rated insulation level of the JSZW12A-10NFR indoor voltage transformer?

The JSZW12A-10NFR indoor voltage transformer has a rated insulation level of 12/42/75 kV (horizontal), making it suitable for 10 kV ring network cabinet applications with reliable dielectric performance.

Q What is the power factor specification for this voltage transformer?

The power factor for this indoor voltage transformer is cos Փ = 0.8 (lagging), which is the standard specification used as the basis for rated secondary output calculations.

Q Can the transformer ratio and load be customized for specific project requirements?

Yes. If your project has special requirements for the transformer ratio or load capacity, you can specify these details at the time of ordering. Our team will accommodate custom configurations to meet your application needs.

Q What secondary output options are available for the JSZW12A-10NFR model?

The JSZW12A-10NFR offers multiple secondary output configurations, including 3/3P (3×500/100 VA), 0.5/3/3P (3×30/3×300/30 VA), 0.5/3/3P (3×30/3×300/50 VA), and 0.5/3/3P (3×50/3×500/100 VA), with limit outputs up to 3×500(1000) VA.

Q Is the 220V operation power supply output available on this transformer?

Yes. Certain configurations of the JSZW12A-10NFR include a 220V secondary winding specifically designed for operation power supply use within ring network cabinets, providing a reliable auxiliary power source for switchgear control circuits.

Q What type of installation environment is this voltage transformer designed for?

This voltage transformer is designed for indoor installation, specifically optimized for use inside ring network cabinets operating at 10 kV voltage levels. It complies with standard insulation and dimensional requirements for compact switchgear enclosures.