Electric shutter door in the purchase must pay attention to the improper choice will seriously affect your use, summed up the following points.

一、新標準對防盜安 全等級劃分，將防盜安 全級別調整為“甲”、“乙”、“丙”、“丁”4級，甲為，依此遞減。電動卷簾門的防破壞時間也是逐級遞減的，低的丁級為少6分鐘。

1、 According to the new standard, the security level of anti-theft is adjusted to four levels, namely "a", "B", "C" and "d", and the level of "a" is advanced, and then decreases. The anti damage time of the electric rolling shutter door is also decreasing step by step, and the lower level D is less than 6 minutes.

二、甲、乙、丙、丁級分別應達到2毫米、2毫米、1.8毫米和1.5毫米。鋼板的厚度直接關系到電動卷簾門防盜安 全性能。好的鋼質電動卷簾門骨架中有石棉等具有防火、保溫、隔音功能等填充材料。

2、 Grade A, B, C and D should be 2mm, 2mm, 1.8mm and 1.5mm respectively. The thickness of steel plate is directly related to the security performance of electric rolling shutter door. Good steel electric rolling shutter door skeleton has asbestos and other filling materials with fire prevention, heat preservation, sound insulation functions.

三、電動卷簾門有自鎖、防撬的功能。按新標準規定，電動卷簾門的鎖具應能在防破壞時間內，即使鉆掉鎖芯、撬斷鎖體連接件從而拆卸鎖具或通過上下間隙伸進撬扒工具，也無法打開門扇；門框與門扇間的鎖閉點，按照防盜安 全級別甲、乙、丙、丁應分別不少于12個、10個、8個和6個；電動卷簾門主鎖舌伸出有用長度應不小于16毫米，并應有電動卷簾門鎖舌止動裝置。

3、 The electric rolling shutter door has the function of self-locking and anti prying. According to the new standard, the lock of the electric rolling shutter door should be able to open the door leaf within the anti damage time, even if the lock cylinder is drilled out, the lock body connector is pried off to remove the lock, or the prizing tool is extended through the upper and lower clearance; The number of locking points between the door frame and the door leaf shall not be less than 12, 10, 8 and 6 respectively according to the security level a, B, C and D; The useful length of the main lock tongue of the electric rolling shutter door shall not be less than 16 mm, and there shall be a stop device for the lock tongue of the electric rolling shutter door.

四、新標準還增加了可以幫助消費者識別電動卷簾門真偽的內容，就是要求電動卷簾門應有固定標記。電動卷簾門標記共由3部分組成，標記符號為拼音字母，從左到右分別為防盜安 全門代號、防盜安 全級別和企業自定義特征。其中，防盜安 全級別標記固定在內側鉸鏈邊上角距地面高度160厘米左右的位置上。

4、 The new standard also adds the content that can help consumers identify the authenticity of the electric roller shutter door, which requires that the electric roller shutter door should have a fixed mark. The mark of electric rolling shutter door is composed of three parts. The mark symbols are Pinyin letters. From left to right, they are anti-theft security door code, anti-theft security level and enterprise custom features. Among them, the anti-theft security level mark is fixed on the position about 160 cm above the ground at the upper corner of the inner hinge.