China NYS-12 Solid-Insulated Ring Main Unit Switchgear - Eco-Friendly Power Distribution Solutions from Suppliers and Factory
Overview
NYS-12 solid insulated ring network switchgear is a new generation of environmentally friendly composite insulation ring network cabinet developed by our company. It is a fully sealed power supply unit with all live parts. The components and switches are fully sealed in an epoxy plastic shell, and there is no SF6 gas in the shell. The entire switch device is not affected by the external environment, ensuring operational reliability and personal safety, and is maintenance-free.
The solid insulation ring network cabinet consists of three types of switches, namely V unit (circuit breaker unit), C unit (load switch unit), and F unit (combination electrical unit). Each unit can be used alone or expanded freely. Its structure is divided into an intelligent control instrument room, an operating mechanism, and a primary part. The instrument room can be equipped with a microcomputer protection (controller).
Modular Units (V, C, F)
Consists of V unit (circuit breaker), C unit (load switch), and F unit (combined electrical unit). Each can be used independently or expanded freely.
Advanced Primary Part
Adopts APG automatic gel process to seal the disconnector and arc extinguishing chamber in epoxy resin, featuring special busbar connectors.
Operating Mechanism
Spring-operated mechanism integrated with the switch reduces transmission links, enhances reliability, and enables electric operation.
The primary part adopts the APG automatic gel process to completely seal the disconnector and the arc extinguishing chamber in epoxy resin, and has a special connector connected to the busbar. The arc extinguishing chamber adopts special copper-chromium contact material, R-type longitudinal magnetic field contact, and complete one-time sealing process. The short-circuit current breaking capacity and stability, electrical life, temperature rise and insulation level of the arc extinguishing chamber are significantly improved compared with the previous arc extinguishing chamber (copper-aluminum contact material, cup-shaped longitudinal magnetic field contact structure, and incomplete one-time sealing process).
The operating mechanism adopts a spring-operated mechanism integrated with the switch, that is, the spring-operated mechanism of the isolating switch and the main switch is integrated, which can easily realize interlocking, and the mechanism has fewer parts, reduces unnecessary transmission links, has high reliability, and can realize electric operation according to user needs.
Environmental Conditions of Use
Suitable for indoor or outdoor use.
Ambient air temp: -10℃ to +25℃ (indoor), -60℃ to +60℃ (outdoor).
Relative humidity: daily average ≤ 95%, monthly average ≤ 90%.
Altitude is not more than 3000m.
No significant pollution by dust, water vapor, salt spray, corrosive or flammable gas.
No severe vibration at the installation site; earthquake intensity ≤ 8 degrees.
* Note: When the above-mentioned operating environment conditions cannot meet the use requirements, the user shall negotiate with the manufacturer.
Frequently Asked Questions
What makes the NYS-12 solid insulated switchgear environmentally friendly?
The NYS-12 switchgear is a composite insulation ring network cabinet that is fully sealed with all live parts in an epoxy plastic shell. It does not use SF6 gas, preventing greenhouse gas emissions and environmental contamination.
What switch units constitute the solid insulation ring network cabinet?
It consists of three modular switch units: the V unit (circuit breaker unit), the C unit (load switch unit), and the F unit (combination electrical unit). Each can be used individually or expanded freely.
How does the arc extinguishing chamber improve performance compared to older models?
It utilizes special copper-chromium contact material, an R-type longitudinal magnetic field contact, and a complete one-time sealing process. This significantly enhances short-circuit current breaking capacity, stability, electrical life, temperature rise limits, and insulation levels.
What are the benefits of the integrated operating mechanism?
The spring-operated mechanism of the isolating switch and the main switch is integrated. This reduces the number of parts and unnecessary transmission links, increases reliability, easily achieves interlocking, and supports electric operation based on user needs.
Can the NYS-12 switchgear be installed in harsh outdoor environments?
Yes, the outdoor type is designed to be used in harsh environmental conditions, supporting temperature ranges from -60℃ to +60℃, altitudes up to 3000m, and offering high resistance to dust, salt spray, and corrosive gases.

