1.周圍空氣溫度不高于+40℃，不低于-5℃，并且24h內(nèi)其平均溫度不高于35℃。
1. The ambient air temperature shall not be higher than+40 ℃, not lower than -5 ℃, and its average temperature shall not exceed 35 ℃ within 24 hours.
2.大氣條件：空氣清潔，相對濕度在高溫度+40℃時不超過50﹪；在較低溫度時允許有較高的相對濕度，例如20℃時為90﹪，但應(yīng)考慮到由于溫度的變化，有可能會偶然地產(chǎn)生適度的凝露。
2. Atmospheric conditions: The air is clean, and the relative humidity does not exceed 50% at the highest temperature of+40 ℃; Higher relative humidity is allowed at lower temperatures, such as 90% at 20 ℃, but consideration should be given to the possibility of occasional moderate condensation due to temperature changes.
3.海拔高度不超過2000米。
3. The altitude shall not exceed 2000 meters.
4.本裝置適應(yīng)于以下溫度的運輸和儲存過程：25℃55℃的范圍之間，在短時間內(nèi)（不超過24h）可達+70℃，在這些極限溫度下裝置不應(yīng)遭到任何不可恢復(fù)的損傷，而且在正常的條件下應(yīng)能正常工作。
4. This device is suitable for transportation and storage processes at temperatures ranging from 25 ℃ to 55 ℃, and can reach+70 ℃ in a short period of time (not exceeding 24 hours). Under these extreme temperatures, the device should not suffer any irreparable damage and should be able to operate normally under normal conditions.
5.如果上述使用條件不能滿足時，應(yīng)由用戶和制造廠協(xié)商解決。
If the above usage conditions cannot be met, it should be resolved through negotiation between the user and the manufacturer.
6.當本裝置使用海上石油鉆井平臺和核電站時，應(yīng)另行簽訂技術(shù)協(xié)議。
When this device uses offshore oil drilling platforms and nuclear power plants, a separate technical agreement should be signed.
MNS低壓抽出式開關(guān)柜技術(shù)參數(shù)性能：
Technical parameters and performance of MNS low-voltage withdrawable switchgear:
1．額定工作電壓（V）：380、660；
1. Rated working voltage (V): 380, 660;
2．額定絕緣電壓（V）：660；
2. Rated insulation voltage (V): 660;
3．額定工作電流（A）：水平母線630~5000A
3. Rated working current (A): Horizontal busbar 630-5000A
垂直母線800~2000A
Vertical busbar 800-20000A
4．額定短時耐受電流有效值（1秒）/峰值（KA）
4. Effective value of rated short time withstand current (1 second)/peak value (KA)
水平母線50~100/105~250
Horizontal busbar 50~100/105~250
垂直母線60/130~150
Vertical busbar 60/130~150
5．外殼防護等級：IP3X、IP4X
5. Shell protection level: IP3X, IP4X
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