Zhejiang Sefie Electric Co.,Ltd.
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Germany design circuit breaker 10ka breaking capacity
The state-of-art design
Elegant appearance;cover and handle in arc shape make comfortable operation.
Contact position indicating window
Transparent cover designed to carry label
Handle central-staying function for circuit fault indicating
In case of overload ,to protected circuit,MCB handle trips and stays at central position, which enables a quick solution to the fauity line.The handle cannot stay in such position when operatedmanually.
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Electrical Feature
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1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63
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Poles
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1P, 2P, 3P, 4P
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Rate voltage(V) Ue
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230/400~240/415
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Insulation voltage(V) Ui
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500
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Rated frequency(Hz)
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50
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Tripping curve
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B,C,D Type
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Standard
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IEC60898-1
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Breaking capacity(Ka)
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10
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Power loss per pole
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Rated current(A)
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Max power loss per pole(W)
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1, 2, 3, 4, 6, 10
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2
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16, 20, 25, 32,
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3.5
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40, 50, 63,
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5
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Pollution degree
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Ⅱ
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Energy limiting class
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3
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Mechanical Features
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Electrical life
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4000
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Mechanical life
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20000
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Contact position indicator
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NO
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Protection degree
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IP20
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Reference temperature for setting of thermal element
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30℃
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Working ambient temperature
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-5~40℃
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Storage temperature
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-25~70℃
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Installation
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Terminal connection type
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Cable
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Mounting
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On DIN rail IEC60715(35mm) by means of fast clip device
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The maximum permissible crrent in a circuit breaker depends on the ambient temperature where the circuit breaker is placed. Ambient termperature is the temperature in side the enclosure or switchboard in which the circuit breakers are installed.
The reference temperature is 30℃
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Rated current(A)
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-35℃
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-30℃
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-20℃
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-10℃
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0℃
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10℃
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1
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1.3
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1.26
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1.23
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1.19
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1.15
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1.11
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2
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2.6
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2.52
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2.46
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2.38
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2.28
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2.2
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3
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3.9
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3.78
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3.69
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3.57
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3.42
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3.3
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4
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5.2
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5.04
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4.92
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4.76
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4.56
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4.4
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6
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7.8
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7.56
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7.38
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7.14
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6.86
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6.6
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10
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13.2
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12.7
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12.5
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12
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11.5
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11.1
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16
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21.12
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20.48
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20
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19.2
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18.4
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17.76
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20
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26.4
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25.6
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25
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24
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23
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22.2
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25
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33
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32
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31.25
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30
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28.75
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27.75
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32
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42.56
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41.28
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40
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38.72
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37.12
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35.52
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40
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53.2
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51.2
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50
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48
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46.4
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44.8
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50
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67
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65.5
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63
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60.5
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58
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56
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63
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83.79
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81.9
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80
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76.86
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73.71
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70.56
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Rated current(A)
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20℃
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30℃
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40℃
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50℃
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60℃
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70℃
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1
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1.05
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1
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0.96
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0.93
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0.88
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0.83
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2
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2.08
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2
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1.92
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1.86
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1.76
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1.66
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3
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3.12
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3
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2.88
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2.79
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2.64
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2.49
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4
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4.16
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4
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3.84
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3.76
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3.52
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3.32
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6
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6.24
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6
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5.76
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5.64
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5.28
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4.98
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10
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10.6
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10
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9.6
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9.3
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8.9
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8.4
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16
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16.96
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16
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15.36
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14.88
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14.24
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13.44
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20
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21.2
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20
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19.2
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18.6
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17.8
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16.8
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25
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26.5
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25
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24
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23.25
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22.25
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21
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32
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33.92
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32
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30.72
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29.76
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28.16
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26.88
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40
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42.4
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40
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38.4
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37.2
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35.6
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33.6
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50
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53
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50
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48
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46.5
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44
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41.5
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63
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66.78
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63
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60.48
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58.9
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55.44
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52.29
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