High-Voltage AC Metal Enclosed Switchgear XGN□-12(40.from China Suppliers - Reliable Factory Solution
Model Meaning
Conditions of Use
- Altitude: ≤ 1000m
- Ambient Temperature: Upper limit +40℃, lower limit -15℃
- Ambient Humidity: Daily average shall not exceed 95%, monthly average shall not exceed 90%
- Seismic Intensity: ≤ 8 degrees
- Ambient Air: Should not be contaminated by corrosive and flammable gas or water vapor
- Vibration: Suitable for installations in places without frequent severe vibration
Product Characteristics
- The cabinet is welded with high-quality angle steel.
- The appearance design of this switchgear is beautiful, offering high quality, a compact internal structure, a scientific, reasonable layout, and easy maintenance.
- The cabinet adopts air insulation, with metal partitions between different compartments. Each compartment has an independent pressure relief channel, ensuring reliable protection and safe maintenance.
- The VS1-12(ZN12-40.5) vacuum circuit breaker matched with this cabinet is fixedly installed, featuring stable performance, reliable operation, high design parameters, and an excellent interlocking function with the switchgear.
- The improved GN30-12(GN27-35) series with ground knife isolation switch used in this cabinet is designed scientifically and reasonably, with flexible operation and a reliable program.
- The locking mechanism of the operating mechanism adopts the improved GTXGN.12 (JSXGN-35) interlocking mechanism, which is simple, reliable, convenient, and practical. The "five prevention" function of this cabinet has achieved perfect effects, ensuring the safety and reliability of its maintenance.
Product Structure Drawing
Technical Parameter (40.5 kV)
| Item | Unit | Argument |
|---|---|---|
| Rated voltage | kV | 40.5 |
| Rated frequency | Hz | 50 |
| Rated current | A | 630、1250、1600、2000 |
| Power frequency withstand voltage of primary main circuit 1min | kV | 95 |
| Power frequency withstand voltage of control circuit | V | 2000 |
| Lightning impulse withstand voltage | kV | 185 |
| Rated breaking current (effective value) | kA | 25、31.5 |
| Rated making current (peak value) | kA | 63、80 |
| Rated dynamic stability current (peak value) | kA | 63、80 |
| Rated 4s thermal stability current (effective value) | kA | 25、31.5 |
| Rated voltage of auxiliary control circuit | V | DC110、DC220、AC110、AC220 |
| Protection level | - | IP2X |
| Outline dimension (Width×Depth×Height) | mm | 1818×3100×3200 |
Technical Parameter (12 kV)
| Item | Unit | Argument |
|---|---|---|
| Rated voltage | kV | 12 |
| Rated frequency | Hz | 50 |
| Rated current | A | 630、1250、1600、2000 |
| Power frequency withstand voltage of primary main circuit 1min | kV | 42 |
| Power frequency withstand voltage of control circuit | V | 200 |
| Lightning impulse withstand voltage | kV | 75 |
| Rated breaking current (effective value) | kA | 25、31.5 |
| Rated making current (peak value) | kA | 63、80 |
| Rated dynamic stability current (peak value) | kA | 63、80 |
| Rated 4s thermal stability current (effective value) | kA | 25、31.5 |
| Rated voltage of auxiliary control circuit | V | DC110、DC220、AC110、AC220 |
| Protection level | - | IP2X |
| Outline dimension (Width×Depth×Height) | mm | 900×1000×2300 |
Frequently Asked Questions (FAQ)
Q What are the standard operating conditions for this switchgear?
The switchgear is designed for altitudes ≤1000m, ambient temperatures from -15℃ to +40℃, and daily average relative humidity not exceeding 95% (monthly average ≤90%). It should be installed in environments free of frequent severe vibration and corrosive or flammable gases.
Q What type of vacuum circuit breaker is compatible with this cabinet?
This cabinet is designed to match the VS1-12 (ZN12-40.5) vacuum circuit breaker, which is fixedly installed to provide stable performance, reliable operation, high design parameters, and seamless interlocking functionality.
Q How does the cabinet design ensure operator safety?
The cabinet utilizes air insulation with metal partitions separating different compartments. Each compartment features an independent pressure relief channel. Additionally, it integrates the improved GTXGN.12 (JSXGN-35) interlocking mechanism to deliver a highly reliable "five prevention" safety function.
Q What are the protection levels and dimensions of these models?
Both the 12kV and 40.5kV models feature an IP2X protection rating. The 40.5kV cabinet outline dimensions are 1818×3100×3200 mm, while the 12kV cabinet dimensions are 900×1000×2300 mm.
Q What isolation switch is used inside the switchgear cabinet?
The cabinet utilizes the improved GN30-12 (GN27-35) series isolation switch with a ground knife, which features a scientifically optimized layout for flexible operation and program reliability.