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China HXGN15-12 Fixed AC Metal-Enclosed Switchgear - Quality Factory Suppliers for Reliable Power Solutions
Model and Definitions
Application Conditions
- Altitude: ≤1000m (If there are special requirements, please specify when placing an order. Currently, there are 6 sets operating at an altitude of 5200m.)
- Ambient Temperature: -35℃ to 45℃, with a maximum daily average temperature difference of ≤25℃.
- Relative Humidity: Daily relative humidity should not exceed 95%, and monthly average relative humidity should not exceed 90%.
- Seismic Resistance: 8 degrees
- Environment: It should be used in areas without severe vibrations and shocks, and where there is no risk of fire, chemical corrosion, or explosion.
Standards
- GB3906-2006 "AC Metal-Enclosed Switchgear and Controlgear for 3.6 kV to 40.5 kV"
- IEC 60298-1990 "AC Metal-Enclosed Switchgear and Controlgear for Nominal Voltage Above 1kV and Below 52kV"
- GB/T11022-2011 "Common Technical Requirements for High-Voltage Switchgear and Controlgear Standards"
Structural Brief - Technical Parameters
| No. | Items | Units | Value |
|---|---|---|---|
| 1 | Nominal Voltage | KV | 12 |
| 2 | Rated Frequency | Hz | 50 |
| 3 | Main Bus Rated Current/Maximum Rated Current of Fuse | A | 630,125 |
| 4 | Main Circuit, Ground Circuit Rated Short-Time Withstand Current | KA/S | 20,3 |
| 5 | Main Circuit, Ground Circuit Rated Peak Withstand Current of Main | KA | 50 |
| 6 | Rated Short-Circuit Closing Current of Main Circuit and Ground Circuit | KA | 50 |
| 7 | Full Capacity Breaking Number of Load Switch | Time | 100 |
| 8 | Breaking Current of Fuse | KA | 31.5,40 |
| 9 | Rated Closed Loop Breaking Current | A | 630 |
| 10 | Rated Transfer Current | A | 1600 |
| 11 | Machinery Service Life | Time | 2000 |
| 12 | 1 Minute Power Frequency Withstand Voltage (Peak Value) Relative to Ground/Isolation Break | KV | 42,48 |
| 13 | Lighting Impulse Withstand Voltage (Peak Value) Phase-to-Phase, Relative to Ground/Isolation Break | KV | 75,85 |
| 14 | 1 Minute Power Frequency Withstand Voltage of Time Circuit | KV | 2 |
| 15 | Level of Protection | - | IP3X |
Dimensions
| Dimension Type | Value (mm) | Scope of Application |
|---|---|---|
| Height H | 1400 | Suitable for Single-core Electric Cable |
| 1600 | Suitable for Single-core Electric Cable | |
| 1800 | Suitable for Three-core Electric Cable | |
| Width W | 375 | Incoming Line & Outcoming Line |
| 500 | - | |
| 750 | - | |
| Depth D | 918 | - |
Structural Diagram
Frequently Asked Questions (FAQ)
What is the standard altitude limit for this switchgear?
The standard design is suitable for altitudes ≤1000m. However, customized configurations are available for high altitudes, with 6 sets currently operating successfully at an altitude of 5200m.
What ambient temperature range can the equipment withstand?
The equipment operates reliably in ambient temperatures ranging from -35℃ to 45℃, with a maximum daily average temperature difference of ≤25℃.
Which international and national standards does this switchgear comply with?
It strictly complies with GB3906-2006, IEC 60298-1990, and GB/T11022-2011 standards for AC metal-enclosed switchgear and controlgear.
What are the mechanical service life and protection level specifications?
The mechanical service life is rated at 2000 operations, and the overall enclosure protection level is rated at IP3X.
How do I choose the correct height dimension for cable installation?
Height dimensions of 1400mm and 1600mm are suitable for single-core electric cables, whereas the 1800mm height option is designed to accommodate three-core electric cables.