1. For the dangerous sites with explosive air mixture: 1 division、2 division; 2. Flammable gas, steam class:ⅡA、ⅡB、ⅡC; 3. Temperatures classification:T1~T4; 4. Indoor and outdoor (IP54)。
1. Apply to control many motors Each branch is equipped with circuit-breaking protection and distributes power for other electric equipment; 2. Diecasted Al-alloy shell with moulded-shapement and plastic-sprayed surface; 3. Adopting the module strcture, with various types for freely compound; 4. Can be operated on surface or remoted and customized by uses' requirements; 5. Possessing the guarding function against overload, short and under voltage; 6. Steelpipe and cable wiring.
技術(shù)參數(shù) 回路數(shù) Branch number 額定電壓 Rated voltage (V) 主回路額定電流 Main loop's rated current (A) 支路額定電流 Branch rated current (A) 防爆標(biāo)志 Explosion- proofing marker 防護(hù)等級(jí) Protection category 防腐等級(jí) Corrosion- proofing grade 進(jìn)線口螺紋/電纜外徑(mm) Inlet's thread/Cable's outside diameter 不限制 No restrict 380 60,100,250 ~60 Exde ⅡCT4 IP54 W,WF1,WF2 G11/4/Φ15~Φ22 G21/2/Φ20~Φ26
內(nèi)裝元件 Element inside 總開(kāi)關(guān) General switch 支路開(kāi)關(guān) Branch switch 交流接觸器 AC contactors 熱繼電器 Thermal relays 出線口螺紋/電纜外徑(mm) Outlet's thread/Cable's outside diameter 型號(hào) Model C45AD; NC100H; DZ20 C45AD CJX2(LC1-D) NR2(JR28) G3/4/Φ10~Φ15 一次配電網(wǎng)絡(luò)是從配電變電所引出線到配電變電所(或配電所)入口之間的網(wǎng)絡(luò)。在中國(guó)又稱(chēng)高壓配電網(wǎng)絡(luò)。電壓通常為6~10千伏 ,城市多使用10千伏配電。隨著城市負(fù)荷密度加大,已開(kāi)始采用20千伏配電方案。由配電變電所引出的一次配電線路的主干部分稱(chēng)為干線。由干線分出的部分稱(chēng)為支線。支線上接有配電變壓器。一次配電網(wǎng)絡(luò)的接線方式有放射式與環(huán)式兩種。