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PKD礦用一般型低壓配電箱為礦用一般型，具有“KA”、“KY”標(biāo)志。
完全符合礦用一般型國家標(biāo)準(zhǔn)GB/T12173-2008；
防護(hù)等級(jí)IP54；
柜體常規(guī)尺寸：600mm*300mm*800mm；
電壓等級(jí)：380V、660V、1140V；
電流等級(jí)：200A、400A、800A，共計(jì)3個(gè)電流等級(jí)均取得安標(biāo)KA、KY證書。
PKD mining general type low-voltage distribution box for mining general type, with "KA", "KY" logo.
Fully in line with the mining general type national standard GB/T12173-2008;
Protection class IP54;
Conventional size of cabinet: 600mm*300mm*800mm;
Voltage level: 380V, 660V, 1140V;
Current level: 200A, 400A, 800A, a total of 3 current levels have obtained the ampere KA, KY certificate.
項(xiàng)目 Item | 參數(shù) Argument |
額定工作電壓 Rated operating voltage | 660/380V |
額定工作電流 Rated working current | 開關(guān)額定電流按照?qǐng)D紙要求 Switch rated current according to the drawing requirements |
額定頻率 Rated frequency | 50HZ |
額定短路持續(xù)時(shí)間 Rated short circuit duration | 1S |
額定短時(shí)耐受電流 Rated short-time withstand current | 20kA |
額定峰值耐受電流 Rated peak withstand current | 42kA |
控制電源 Control power supply | AC220V/AC380V |
污染等級(jí) Pollution level | 3 |
額定沖擊耐受電壓 Rated impulse withstand voltage | ≥8 kV |
電氣間隙 Electrical clearance | ≥10 mm (主母線≥20mm) ≥10 mm (main bus ≥20mm) |
爬電距離 Creepage distance | ≥12 mm(主母線≥20mm) ≥ 12mm (main bus ≥20mm) |
隔離距離 Isolation distance | 符合JB4012-85《低壓空氣式隔離器開關(guān)、隔 離開關(guān)及熔斷器組合電源》的有關(guān)要求，同時(shí) 考慮到制造公差和由于磨損而造成的尺寸變化。 Comply with JB4012-85 "Low pressure air isolator switch, isolation Leave off and fuse combination power supply "relevant requirements at the same time Take into account manufacturing tolerances and dimensional changes due to wear. |
1min工頻耐受電壓 1min power frequency withstand voltage | 2.5KV |
絕緣電阻值 Insulation resistance value | ＞2MΩ |
溫升 Temperature rise | 符合GB 7251.1-2005中7.3的規(guī)定 Comply with the provisions of 7.3 in GB 7251.1-2005 |
外殼防護(hù)等級(jí) Case protection class | IP54 |
礦用一般型低壓開關(guān)柜取得的“KA”證書如下：
The "KA" certificate obtained by the general low-voltage switchgear for mining is as follows:
PKD-200/660(380) |
PKD-400/660(380) |
PKD-800/660(380) |
