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YBKN series circuit beakers are used in lighting distribution system or motor distribution system for protecting overload and short-circuit in the system. The product is novel in structure, light in weight, reliable and excellent in performance. It has high breaking capacity, quickly and its installation uses with guide, it’s case and body are adopted with high fire-resistant and shockproof plastics. The product, with long life, is mainly used in AC 500Hz/60Hz single-pole 240V or two on-and-off switching electric equipment and lighting in normal case. This product conforms to GB 10963, IEC60898, BS3871.
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SPECIFICATION
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Protection span: overload and short circuit protection
Rated current In: YBKN: 1,23,4,6,10,16,20,25,32,40,50,63A
BKM: 2,4,6,10,16,20,25,32,40,50A
Characteristic: B,C,D characteristic(BKM type to B,C characteristic)
Pole: IP,IP+N,2P,3P,3P+N,4P(BKM type without IP+N and 3P+N)
Breaking capacity: AC230: 6kA AC230/400V:6kA 4.5kA AC230/400V
Compliance standard:IEC60898
Tripper type: Thermomagnetic type
Electric life: 10000 time
Mounting: track of 35mm of
Width :o: one 17.8mm
Terminal: square hole press line type(connect with cables of 25mm2)
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BREACKING CAPACRRY
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Standard
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Rated current(A)
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Pole
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Rated voltage(V)
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Breaking capacity(A)
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1 to 40
50 to 60
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1
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240
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6000
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2,3,4
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415
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6000
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BS3871-1
IEC60898
IEC157-1
BS3871-1
IEC60898
IEC157-1
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50 to 60
1
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1
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240
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4000
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2,3,4
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415
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4000
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1
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220/240
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10000
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2,3,4
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220/240
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20000
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2,3,4
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380/415
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10000
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3
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1
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220/240
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8000
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2,3,4
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220/240
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25000
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2,3,4
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380/415
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8000
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10 to 40
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1
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220/240
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7000
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2,3,4
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220/240
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16000
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2,3,4
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380/410
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8000
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50
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1
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220/240
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6000
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2,3,4
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220/240
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10000
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2,3,4
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380/410
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6000
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60
1 to 40
1 to 40
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1
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220/240
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5000
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2,3,4
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220/240
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10000
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2,3,4
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380/410
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5000
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1
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240
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4000
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2,3,4
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415
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4000
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1
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220/240
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69000
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2,3,4
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220/240
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12000
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2,3,4
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380/415
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6000
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