Qingdao Hengfengyou Electrical Engineering Co., Ltd.
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Electric High Voltage Single SF6 gas insulated RMU switchgear
Feature:
Use SF6 load switch and load switch-fuse combination as main switch. Equipped with vacuum load switch and spring operating mechanism which can be operated by hand or electric. Earthing switch and insulating switch are equipped with hand operating mechanism. With small volume and high security
1.Many years ring mian unit manufacturer
2.Easy installation
3.Less maintance
4.Safe and upgradeable
Standard:
NATIONAL STANDARD: GB11022
GB3906
GB1984
GB3804
GB16926
INTERNATIONAL STANDARD: IEC60376
IEC60298
IEC60420
IEC60282
DIN VDE0670
IEC60129
IEC60265-1
IEC60694
IEC60056
Service conditions
◎ Ambient air temperature: -15°C〜+40°C;
◎ Relative humidity: Daily average ≤ 95%,and daily average of water vapor pressure < 2.2kPa;
Monthly average ≤ 90%,and monthly average of water vapor pressure < 1.8kPa;
◎ Altitude: ^ 1000m;
◎ Seismic intensity: No more than 8 degree
◎ Ambient air should be free of pollution of corrosive or flammable gas or vapor;
◎ No obvious vibration;
Note: Due to continuous product improvement, the dimensions provided in this sample are for reference only. If necessary, our company can design and produce according to user requirements. Please contact the company in time.
| Item | Unit | Parameters | |
| Rated voltage | KV | 3, 7.2, 12 | |
| Rated current | A | 630,1250,1600,2500,3150,4000* | |
| Rated short circuit breaking current | KA | 25, 31.5, 40 | |
| Rated short circuit switching current | 63, 80, 100 | ||
| Rated short-yime withstand current(4s) | 25, 31.5, 40 | ||
| Rated peak withstand current | 63, 80, 100 | ||
| Rated frequency | Hz | 50 | |
| Rated insulation level | 1 min power frequency withstand voltage | KV | 42 |
| Lighting impulse withstand voltage | 75 | ||
| control circuit voltages | AC | V | 110, 220, 380 |
| DC | V | 110, 220 | |
| Protection degree | Housing IP4X , cubicle and circuit breaker IP2X when door is open | ||
| Main technical parameters | ||
| Main circuit rated voltage(V) | .......................... | Ac 400 (600) |
| Rated voltage of auxiliary circuit (V) | .......................... | Ac 220/380 (400) dc 110/220 |
| Rated frequency (Hz) | .......................... | 50(60) |
| Rated insulation voltage(V) | .......................... | 690(1000) |
| Rated current(A) | The level of bus | ≤6000 |
| Rated short-time bus withstand current (kA/1s) | .......................... | 50,80 |
| Rated peak withstand current of bus (kA/0.1s) | .......................... | 105,176 |
|
Power frequency test voltage (V/1min) | main circuit | 2500 |
| Auxiliary circuit | 1760 | |
|
bus | Three-phase four-wire system | A,B,C,PEN |
| Three-phase five-wire system | A,B,C,PE,N | |
| Protection grade | .......................... | IP30 |