HR6 Series Fuse-Operated Isolating Switch

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Product Description

4.1 Relationship between switch and fuse

Conventional heating
current of switch (A)
Matched fuse Rated voltage (V) Fuse current value (A)
160 NT00 380 4、6、10、16、20、25、32、35、40、50、63、80、100、125、160
660 4、6、10、16、20、25、32、35、40、50、63、80、100
250 NT1 380 80、100、125、160、200、224、250
660 80、100、125、160、200
400 NT2 380 125、160、200、224、250、300、315、355、400
660 125、160、200、224、250、300、315
630 NT3 380 315、355、400、425、500、630
660 315、355、400、425

4.2 Main technical parameters of the switch

Model HR6-160 HR6-250 HR6-400 HR6-630
Rated insulation voltage (V) 660 660 660 660
Conventional thermal current (A) 100 250 400 630
Rated operating current (A) 380V 160 250 400 630
660V 100 200 315 425
Rated making and
breaking capacity (A)
(at 1.05Ue)
380V,COSΦ=0.35
AC-23B
Connect 1280 2000 3200 5040
Disconnect 960 1500 2400 3780
660V,COSΦ=0.65
AC-22B
Connect 480 750 1200 1890
Disconnect 480 750 1200 1890
Rated short-circuit current (kA) 50 50 50 50
Maximum expected peak current (kA) 100 100 100 100
Pollution level 3 3 3 3
Installation category

4.3 The rated voltage of the auxiliary switch is AC 380V, the agreed thermal current is 6A, the use category is AC-15, and the rated control capacity is 300VA.

Model Dimensions (mm) Installation dimensions (mm)
A B C D E a b c d Φe Φf
HR6-160/30 134 215 142 245 40 80 198 80 40 Φ6.5 Φ6.5
HR6-250/30 184 280 162 320 60 120 260 120 60 Φ8.5 Φ8.5
HR6-400/30 244 300 194 360 80 160 280 160 60 Φ8.5 Φ8.5
HR6-630/30 244 300 194 360 80 160 280 160 60 Φ8.5 Φ8.5
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No. 55, Erheng East Road, Xinguang Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province
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