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HXGN15-12 Box-Type Fixed AC Metal-Enclosed Switchgear - Reliable China Suppliers & Factory for 12kV 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℃.
Daily relative humidity should not exceed 95%, and monthly average relative humidity should not exceed 90%.
Seismic Resistance: 8 degrees
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
| 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(mm) | 1400 | Suitable for Single-core Electric Cable |
| 1600 | Suitable for Single-core Electric Cable | |
| 1800 | Suitable for Three-core Electric Cable | |
| Width W(mm) | 375 | Incoming Line & Outcoming Line |
| 500 | - | |
| 750 | - | |
| Depth D(mm) | 918 | - |
Structural Brief
Frequently Asked Questions (FAQ)
Q1: Can this switchgear be operated at high altitudes?
Yes. While the standard design is suitable for altitudes ≤1000m, it can be customized for higher altitudes. Currently, there are 6 sets successfully operating at an altitude of 5200m.
Q2: What international and national standards does this equipment comply with?
The switchgear complies with Chinese national standards GB3906-2006 and GB/T11022-2011, as well as the international standard IEC 60298-1990 for AC metal-enclosed switchgear.
Q3: What are the nominal voltage and frequency ratings for this model?
This switchgear has a nominal voltage rating of 12 KV and operates at a rated frequency of 50 Hz.
Q4: How do I choose the correct height dimension for my cable configuration?
A height of 1400mm or 1600mm is recommended for single-core electric cables, whereas a height of 1800mm is designed specifically to accommodate three-core electric cables.
Q5: What is the mechanical service life and protection level of the switchgear?
The equipment features a mechanical service life of up to 2000 operations and is rated at an IP3X level of protection.