BAL 防爆電鈴(ⅡB) BAL Explosion-Proof Electric Bell (ⅡB) 一、適用范圍 1. 爆炸性氣體環(huán)境危險(xiǎn)場(chǎng)所:1區(qū)、2區(qū); 2. 可燃性氣體、蒸氣級(jí)別:ⅡA、ⅡB; 3. 溫度組別:T1~T6; 4. 戶內(nèi)、戶外 (IP54)。1. For the dangerous sites with explosive air mixture: 1 division、2 division 2. Flammable gas, steam class:ⅡA、ⅡB 3. Temperatures classification:T1~T6 4. Indoor and outdoor(IP54). 二、型號(hào)含義 三、性能特點(diǎn)1. 鑄鋁合金外殼,表面噴塑; 2. 圓筒隔爆面,防爆性能好,安全可靠; 3. 鋼管或電纜布線。1. Diecasted Al-alloy shell with plastic-sprayed surface 2. The round-tube flame-proof surface has perect property on safety reliability 3. Steelpipe and cable wiring.四、技術(shù)參數(shù) 額定電壓 Rated voltage (V)鈴蓋直徑 Bell-lid‘s diameter (mm) 聲響強(qiáng)度 Acoustic strength (dB)功率 Power (W)AC36, AC110, AC220125IP65≥75(R=2m)≤20防護(hù)等級(jí) Protection category防爆標(biāo)志 Explosion-proofing marker 防腐等級(jí) Corrosion-proofing grade進(jìn)線口螺紋 Inlet‘s thread電纜外徑(mm) Cable‘s outside diameter質(zhì)量 Weigh (kg)IP54Ex dⅡBT6W, WF1, WF2G3/4Φ10~Φ15
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