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China HXGN15-12 Box-Type Fixed AC Metal-Enclosed Switchgear - Suppliers & Factory for Reliable Power Solutions
Model and Definitions
Application Conditions
- Altitude: ≤1000m (Special requirements can be customized; currently 6 sets are successfully operating at an altitude of 5200m).
- Ambient Temperature: -35℃ to 45℃, with a maximum daily average temperature difference of ≤25℃.
- Relative Humidity: Daily average should not exceed 95%, and monthly average should not exceed 90%.
- Seismic Resistance: Up to 8 degrees.
- Environmental Requirements: Suitable for areas free from severe vibrations, shocks, chemical corrosion, fire, or explosion hazards.
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 (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 - Layout
Frequently Asked Questions
What is the maximum operating altitude for this switchgear?
The standard design is suitable for altitudes ≤1000m. However, it can be customized for higher altitudes; currently, 6 sets are operating successfully at an altitude of 5200m.
What 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 is the mechanical service life of the switchgear?
The switchgear has a rated mechanical service life of 2000 operations under normal operating conditions.
What are the dimensions and height selections available?
Height options include 1400mm and 1600mm (suitable for single-core cables), and 1800mm (suitable for three-core cables). Width options are 375mm, 500mm, and 750mm, with a standard depth of 918mm.
What is the protection rating (IP code) of this equipment?
The enclosure protection level for this switchgear is rated at IP3X, ensuring reliable protection against solid foreign objects.