MNS low-voltage withdrawable switchgear
This device is a combination low-voltage switchgear assembled by a factory using standard modules. It is suitable for power supply systems with AC 50-60Hz and rated working voltage of 660V and below, and is used for controlling power generation, transmission, distribution, conversion, and energy consumption equipment.
This device complies with standards such as IEC60439, GB7251.1 "Low Voltage Switchgear and Control Equipment", and VDE660 Part 5.
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Describe
Main technical parameters
Electrical performance:
| Rated insulation voltage | 660V |
| Rated working voltage | 380V，660V |
| Maximum operating current of the main busbar | 5500A (IPO0)、4700A (IP30) |
| Short term (1S) withstand current of the main busbar | 100kA（Valid value） |
| Short term peak current of main busbar | 250kA（Valid value） |
| Maximum operating current of distribution busbar (vertical busbar) | 1000A |
| Short term peak current of distribution busbar (vertical busbar) | Standard type 90kA (maximum), reinforced type 130kA (maximum) |
防护等级：
符合IEC60529\DIN40050标准
IP30对大于Φ2.5mm固体防护
IP40对大于Φ1.0mm固体防护
IP54对尘埃和任意方向喷溅作防护
（订购IP54防护等级时应与制造厂协商）
