HR17 Series Fuse Type Isolating Switch

HR17 series fuse type isolating switch rated operating voltage 690V 400V rated frequency 5HZ rated current 160A-630A

1 Use

     HR17 series fuse type isolating switch,rated insulating voltage AC 800V,rated operating  voltage 690V,400V rated frequency 50Hz, the rated current 160A-630A,mainly used as power switch,isolating switch and emergency switch with function of protection in the circuit with hith short circuit current and motor circuit, this switch is not used to operate the single mortor.This product is in coformity with standard GB14048.3-2002 IEC947-3(2001)

2   Principle Technical Parameter

2.1Rated insulating voltageAC  800V2.2 Rated operating currentAC  690V  AC   400V2.3 Rated heating current160A, 250A,  400A , 630A2.4 Rated operating current400V:160A ,250A, 400A, 630A, 690V:100A, 200A, 315A, 425A2.5 Kind of usege400V:AC-20B, AC-21B, AC-22B, AC-23B; 690V: AC-20B ,AC-21B, AC-22B2.6 Fuse link installed: The fuse is conformity with GB13539.1,relation of switch and fusing unit (see table 1)2.7 Withstanding  voltage:interphase 12kV,break of each phase 15kV2.8 Rated limiting short current:When the switch installed with standard fuse, the rated withstanding short making capacith is      50kAunder the condition of AC690V,COSø=0.22.9 Operating performance:number of operating and testing circuit of operating performance see table2 and 3

Type	Raied Current(A)	Raied Voltage(V)
HR17-160 NT00	4 10 16 20 25 32 40 50 63 80 100 125 160	380 660
HR17-250 NT1	80 100 125 160 200 224 250	380 660
HR17-400 NT2	125 160 200 224 250 300 315 355 400	380 660
HR17-630 NT3	315 355 400 425 500 630	380 660

HR17 Series Fuse Type Isolating Switch