Type 250AF (250 Series)

Type 250AF (250 Series)

250AF
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DESCRIPTION

250 series  No-fuse circuit breaker - MCCB

 框架容量 AF A 250
 型式 Type   250-EK 250-SK 250-HK
 極數 Poles P 2 3 2 3 4 2 3
 額定絶緣電壓 Ui VAC 690
 額定電流 Ue VAC 600
 額定電流 In A 125、150、175、200、225、250
 額定起斷容量 (kA)
 Icu / Ics
 CNS14816-2
 IEC 60947-2
220V 35/18 50/25 85/35
380V 25/13 30/15 50/20
440V 18/9 25/13 50/20
600V 15/8 20/10 30/15
 額定起斷容量 (kA)
 asym/sym
 CNS 2931
220V 40/35 60/50 100/85
380V 30/25 35/30 60/50
440V 20/18 30/25 60/50
500V 16/15 22/20 35/30
 跳脫方式 Tripping   熱動 - 電磁式 thermal-magnetic

 尺寸 (mm)
 Dimensions

a 105 140 105
b 165
c 68
d 92
aa 35 70 35
bb 126
 重量 Wt. kg 1.3 1.5 1.3 1.5 1.9 1.3 1.5

 

With a frame capacity of 250AF, the 250 Series features different types: the 250-EK, the 250-SK, and the 250-HK. These types are available in 2, 3, and 4 poles, allowing for flexible configuration based on specific requirements.

The 250 Series is designed to operate within a rated insulation voltage (Ui) of 690V, ensuring safe and efficient electrical performance. It has a rated voltage (Ue) of 600V, making it compatible with a wide range of electrical systems.

The 250 Series offers various options for rated current (In), including 125A, 150A, 175A, 200A, 225A, and 250A. This range of current ratings allows for precise selection to meet the specific load demands of different applications.

For rated breaking capacity (kA), the 250 Series exhibits different values depending on the voltage level. At 220V, the 250-EK has a rating of 35/18kA, the 250-SK has a rating of 50/25kA, and the 250-HK offers 85/35kA. At 380V, the ratings are 25/13kA for the 250-EK, 30/15kA for the 250-SK, and 50/20kA for the 250-HK. These breaking capacities ensure reliable protection against overloads and short circuits.

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