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

CENTRE BREAK TYPE ISOLATOR (DISCONNECTOR)(DISCONNECTOR)

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



Salient features :

  • 1. Self wiping contacts
  • 2. Very low operating torque.
  • 3. Suitable for Motor operation or Manual lever type operation.
  • 4. Lower cost than Double Break isolator.
  • 5. Vertical of Horizontal terminal take-off arrangement

Voltage class (kV.)

72.5

123

145

245

Rate Current (Amps)

400-1600

800-2000

800-2000

800- 3150

Rated short time Current (kA.rms)
31.5
40
40
40

Rated peak with-stand current (kA.peak)

79

100

100

100
Power frequency Dry & Wet withstand voltage (kV. rms)
To earth & pole
140
230
275
460
Across Isolationg Distance
160
265
315
530
Lightning Impulse withstand voltage (kV.peak)
To earth & pole

325
550
650
1050
A cross isolating Distance
375
630
750
1200
Dimensions
A
770
1220
1472
2300
B
600
1200
1200
2000
C
1000
1700
1700
2600
D
1180
1600
1850
2750
E
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