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HR17B Fuse Switch Disconnector

Isolation Switch

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Scope of application

HR17B Fuse Switch Disconnector can be operated with load. It is applicable to rated current 40A~630A. There are 2 groups, 3 groups and 4 groups. It can be mounted on the busbar and installed on the fixed plate. It also provides the input and output structure of the upper and lower ends, knife-edge introduction and the arc extinguishing device; and the closed detection hole is on the switch cover, the signal switch and the detection switch are built. It can be equipped with fuse monitor and used as a knife switch.
The Fuse Switch Disconnector is beautiful, novel and concise, and conforms to IEC60947-3 and GB14048.3.

Model and meaning

Main Technical Parameters

Fuse Switch Disconnector Model HR17B-40 HR17B-63 HR17B-160 HR17B-250 HR17B-400 HR17B-630
Rated insulation voltage Ui 690V 690V 800V 800V 800V 800V
Rated operational voltage Ue AC400, 660V
Rated operational current Ie 400V AC-23B 40A 63A 160A 250A 400A 630A
660V AC-22B 32A 50A 100A 200A 315A 425A
Rated short-time making capacity Icm 10Ie
Rated limited short-circuit current Inc 50kA
Fuse link RT14-40 RT14-63 NT00-160 NT1-250 NT2-400 NT3-630

Outline and Installation Dimensions

Outline and Installation Dimensions of HR17B-160~630A Hanging type

Model A B C D E F H
HR17B-160/30J 106 200 97 60 33 87 200
HR17B-250/30J 185 247 128 88 57 110 220
HR17B-400/30J 210 290 145 97 65 125 268
HR17B-630/30J 256 300 160 112 81 139 285

Outline and Installation Dimensions of HR17B-40~630A Fixed


Model Outline Dimension (mm) Installation Dimension (mm)
A B C D E a b Φc
HR17B-40 2P 55 116 76 150 21 25 / Φ6
3P 76 116 76 150 21 42 / Φ6
HR17B-63 2P 74 116 76 150 31 35 / Φ6
3P 105 116 76 150 31 62 / Φ6
HR17B-160 2P 75 200 83 205 33 43 25 Φ7
3P 106 200 83 205 33 66 25 Φ7
4P 138 200 83 205 33 100 25 Φ7
HR17B-250 2P 128 247 110 295 57 72 50 Φ11
3P 185 247 110 295 57 114 50 Φ11
4P 242 247 110 295 57 172 50 Φ11
HR17B-400 2P 145 290 125 340 65 80 50 Φ11
3P 210 290 125 340 65 130 50 Φ11
4P 276 290 125 340 65 195 50 Φ11
HR17B-630 2P 175 300 145 360 81 90 50 Φ11
3P 256 300 145 360 81 162 50 Φ11
4P 340 300 145 360 81 243 50 Φ11

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