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HXGN-12 China electrical ring main units rmu cabinet
Features
- Compact modular design
- Simple structure, small volume and light weight
- Ease and flexible for installation
- Reliable and safe to operate
- Low operating cost
Description
HXGN-12 China electrical indoor switchgear rmu cabinet is a new product self-designed and self-developed by introducing oversea advanced techniques and the requirements of rural and urban power network reform. The core parts are load switch, switch-fuse combinations or circuit breaker.
Application
HXGN-12 China electrical indoor switchgear rmu cabinet is applicable to the ring network or terminal power supply system with three-phase AC 50Hz, rated voltage of 12kV, rated current of up to 630A. It is widely used in the load center powder distribution station of urban residential area, high-rise building, large public buildings, factories and enterprises as power receiving and distribution or overload protection, short circuit protection; As a ring network power supply unit and terminal equipment, it plays role in the power distribution, power controlling and electrical equipment protection, so it is widely installed in prefabricated substations.
Normal operating conditions
- Ambient air temperature : -5°C ~ +40°C;
- Daily average temperature(Within 24h): ≤+35℃
- Altitude:≤1000m;
- Relative humidity: within 24h, daily average value ≤ 95% , daily average vapor pressure≤ 2.2KPa; monthly average value ≤ 90%, monthly average vapor pressure≤ 1.8KPa
- Ambient air is not significantly polluted by dust, smoke, corrosive and / or flammable gas, vapor or salt contamination.
Special operation conditions
If the switchgear will be used in conditions that exceed the normal environmental conditions, users should consult with the manufacturer.
Technical Parameter
Item(Unit) |
Data |
|
Load Switch |
Switch-fuse Combinations |
|
Rated Voltage(kV) |
12 |
|
Rated Current(A) |
630 |
125 |
Rated Frequency(Hz) |
50 |
|
Rated Short-time Power Frequency Withstand Voltage(kV) |
42 |
|
Rated Lightning Impulse Withstand Voltage(kV) |
75 |
|
Rated Peak Withstand Current(kA) |
20 |
|
4S Rated Short-time Withstand Current(kA) |
50 |
|
Rated Short-circuit Making Current(kA) |
50 |
80 |
Rated Power load Drop-out Current(A) |
630 |
|
Rated Short-circuit Drop-out Current(kA) |
|
31.5 |
Rated Transfer Current(A) |
|
1700 |
Standard |
GB3906,GB3804 |
GB3906,GB12926 |
Protection Degree |
≤IP3X |
|
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