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dzsc/19/3679/19367933.jpg
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BLK51L 防爆漏电断路器(ⅡB)
BLK51L Explosion-proof, Leakage Breaker (ⅡB)
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一、适用范围
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1. 爆炸性气体环境危险场所：1区、2区；
2. 可燃性气体、蒸气级别：ⅡA、ⅡB；
3. 温度组别：T1~T6；
4. 户内、户外 (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).
dzsc/19/3679/19367933.jpg
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三、性能特点
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1. Diecasted Al-alloy shell with plastic-sprayed surface;
2. C45L leakage breaker and indicator light are built in Ewhen
someone gets an electric shock or circuit leaks, and current
surpasses the stipulated ＆#118alue, power will cut off within 0.1S
and keep from accident;
3. Possessing the guarding function against overload and short, etc;
4. Steelpipe and cable wiring;
5. Can be customized according to users' requirements.
1. 铸铝合金外壳，压铸成形，表面喷塑；
2. 内装C45L漏电断路器及指示灯，当有人触电或电路泄漏电流超过
规定值时，能在0.1S内自动切断电源，防止事故发生；
3. 具有过载、短路等保护功能；
4. 钢管或电缆布线
5. 可根据用户要求特制。
四、技术参数
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型号
Model
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额定电压
Rated
voltage (V)
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额定电流
Rated
current (A)
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额定漏电动作电流 I△n
Rated operating current for
leakage for leakage I△n (A)
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额定漏电不动作电流
Rated non-operating
current for leakage (A)
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分断时间
Breaking time
(S)
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BLK51L-□/12
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220
380
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1, 3, 5, 10,
15, 20, 25,
32, 40, 50,
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0.03
0.05
0.075
0.100
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5I△n
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≤0.1
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BLK51L-□/22
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BLK51L-□/33
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BLK51L-□/34
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BLK51L-□/44
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防爆标志
Explosion-proofing marker
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防护等级
Protection category
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防腐等级
Corrosion-proofing grade
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进线口螺纹/电缆外径（mm）
Intlet's direction/ Cable's outside diameter
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Ex deⅡBT6
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IP54
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W, WF1, WF2
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G3/4/Φ10~Φ15, G1/Φ12~Φ18, G11/4/Φ15~Φ22
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