| JBLK51-□防爆断路器(ⅡB)
JBLK51-□ Explosion-proof Circuit Breaker (ⅡB) | | | | 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~T4； 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. Indooroutdoor(IP54).
| | |  |  | 1. Diecasted Al-alloy shell with plastic-sprayed surface;
2. Inside mounted C45N、45AD、NM10、DZ20 series circuit breaker;
3. Possessing the guarding function against overload
andshort, etc;
4. Steelpipecable wiring.
1. 铸铝合金外壳，表面喷塑；
2. 内装C45N、C45AD、NM10、DZ20 系列断路器；
3. 具有过载、短路等保护功能；
4. 钢管或电缆布线。 | 
|  | | | 额定电压
Rated
voltage (V) | 额定电流
Rated
current (A) | 防爆标志
Explosion-
proofing marker | 防护等级
Protection
category | 防腐等级
Corrosion-
proofing grade | 进线口螺纹
Inlet''''s
thread | 电缆外径(mm)
Cable''''s outside
diameter | |
380/220
| 1, 3, 5, 10, 15, 20,
25, 32, | ExdeⅡBT4
ExdⅡBT4 | IP54 | W, WF1, WF2 | G3/4 | Φ10~Φ15 | | G1 | Φ12~Φ18 | | | | | | | | | | 额定电压
Rated
voltage (V) | 额定电流
Rated
current (A) | 防爆标志
Explosion-
proofing marker | 防护等级
Protection
category | 防腐等级
Corrosion-
proofing grade | 进线口螺纹
Inlet''''s
thread | 电缆外径(mm)
Cable''''s outside
diameter | |
380/220
| 1, 3, 5, 10, 15, 20,
25, 32, 40, 50, 63 | ExdeⅡBT4
ExdⅡBT4 | IP54 | W, WF1, WF2 | G3/4 | Φ10~Φ15 | | G1 | Φ12~Φ18 | | G11/4 | Φ13~Φ23 | | G11/2 | Φ17~Φ26 | | | | | 
| | | | | 额定电压
Rated
voltage (V) | 额定电流
Rated
current (A) | 防爆标志
Explosion-
proofing marker | 防护等级
Protection
category | 防腐等级
Corrosion-
proofing grade | 进线口螺纹
Inlet''''s
thread | 电缆外径(mm)
Cable''''s outside
diameter | |
380/220
| 16, 20, 32, 40,
50, 63, 80, 100
| ExdeⅡBT4
ExdⅡBT4 | IP54 | W, WF1, WF2 | G1 | Φ12~Φ18 | | G11/4 | Φ15~Φ22 | | G11/2 | Φ20~Φ26 | | G2 | Φ27~Φ37 | | | | | 1. 铸铝合金外壳，表面喷塑；
2. 内装NM1、DZ20系列断路器；
3. 具有过载、短路等保护功能；
4. 钢管或电缆布线。
1. Diecasted Al-alloy shell with plastic-sprayed surface;
2. Inside mounted or NM1, DZ20 series breaker
3. Possessing the guarding function against overload
short, etc;
4. Steelpipecable wiring. | | | | 
| | | | | 额定电压
Rated
voltage (V) | 额定电流
Rated
current (A) | 防爆标志
Explosion-
proofing marker | 防护等级
Protection
category | 防腐等级
Corrosion-
proofing grade | 进线口螺纹
Inlet''''s
thread | 电缆外径(mm)
Cable''''s outside
diameter | |
380
|
100, 125, 160,
180, 200,
225, 250
| ExdeⅡBT4
ExdⅡBT4 | IP54 | W, WF1, WF2 | G2 | Φ27~Φ37 | | G21/2 | Φ36~Φ44 | | G3 | Φ56 | | | | | |
