• G. Nandy & Co.
  • An ISO 9001-2008 Certified Company Manufacturer of H.V. Isolators A.B. Switfches D.O./ H. G. Fuses

DOUBLE BREAK CENTRE ROTATING TYPE ISOLATOR (DISCONNECTOR)

(IS:9921/IEC 6227-1102/IEC60694)



Salient features :

  • 1. Turn & Twist type contacts for crating high pressure contacts for higher current rating.
  • 2. Manual reduction gear or motor operating mechanism.
  • 3. Straight banging type contacts with Manual lever operating mechanism for low current rating.
  • 4. Vertical of horizontal terminal take-off arrangement.

Voltage class (kV.)

12

36

72.5

123

145

245

Rate Current (Amps)

400-1250

400- 1650

800-2000

800- 2000

800-2000

800-3150
Rated short time Current (kA.rms)
16
25
31.5
40
40
40

Rated peak with-stand current (kA.peak)

40

63

79

100

100

100
Power frequency Dry & Wet withstand voltage (kV. rms)
To earth & pole
28
70
140
230
275
460
Across Isolationg Distance
32
80
160
265
315
530
Lightning Impulse withstand voltage (kV.peak)
To earth & pole
75
170
325
550
650
1050
A cross isolating Distance
85
195
375
630
750
1200
Dimensions
A
254
508
762
1220
1472
2300
B
450
650
870
1500
1500
2500
C
600
900
1520
2100
2100
3100
D
400
775
1070
1500
1750
2650
E
750
1250
2000
2700
2700
4500

Do you need to reach to us

235, Netaji Subhas Road, Howrah - 711 101 (W.B.).   Phone: (033) 2667-6241   |   Fax:(033) 2667-6241