Ningbo Tianan (Group) Co.,Ltd.
Ningbo Tianan (Group) Co.,Ltd
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GGD Series Indoor Low VoltageSwitchgear , Power Distribution Switch Panel
Overview
Low-voltage switchgear (hereinafter referred to as the device) for AC 50Hz, rated working voltage of 400V, rated current of 3150A and below the low-voltage power grid for power generation, transmission, power distribution system as power lighting, power conversion, Protection and control occasions. The device complies with the requirements of GB7251.1 and IEC60439.
| Item | Units | Data |
| Rated voltage | V | 400/380 |
| Rated insulation voltage | V | 1000 |
| Rated frequency | Hz | 50 |
| Horizontal busbar rated current | A | 5500 |
| Vertical busbar rated current | A | 2000 |
| Horizontal busbar rated short-time current | kA/s | 100 |
| Horizontal busbar rated peak withstand current | kA | 220 |
| Vertical busbar rated short-time current | kA/s | 85 |
| Vertical busbar rated peak withstand current | kA | 187 |
| Rated impulse voltage | kV | 12 |
| Overvoltage category | IV | |
| Degree of pollution | 3 | |
| Degree of protection | IP31/42/54 | |
| Height | mm | 2200 |
| Width | mm | 600/800/1000/1200 |
| Depth | mm | 600/800/1000 |
| Ambient temperature: | |
| Maximum | +40℃ |
| Maximum 24 hour average | +35℃ |
| Minimum (according to minus 15 indoor classes) | -15℃ |
| Ambient humidity: | |
| Daily average relative humidity | Less than 95% |
| Monthly average relative humidity | Less than 90% |
| Less than 90% | Less than 1000m |
| Earthquake intensity | ess than 8 degree |
| Height above sea level | Less than 2000m |