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

Technical Information of Company

  • All our products are type tested as per relevant ISS/IES from CPRI Bhopa/Bangalore, ERDA Vadodara and from other Government Labs.
  • All required testing equipments to carry out the testing as per relevant ISS IEC ar installed in our works. All ratings are Type tested as per IS/IEC.
  • The quality System of one company have attained ISO 9001:2008



Testing Facilities :

Test Name

Routine/Type test

In house facility

HIGH VOLTAGE TEST

Both

Yes

MECHANICAL ENDURANCE TEST

Both

Yes

TEMPERATURE RISE TEST

Both

Yes

MILIVOLT DROP TEST

Both

Yes

TEST ON AUXILIARY CIRCUIT

Routine

Yes

GALAVANISATION TEST

Routine

Yes


TESTING

FACILITY

TESTING

FACILITY

TESTING

FACILITY



Quality Control :

We are an ISO 9001:2008 company. Through stringent incoming and in-process tests, we ensure that every single piece out of our works meets our strict quality standard to surpass customer's expectations.

Incoming Test :
Type of Material Parameters checked
Non-ferrous Conductivity, Density, Weight/Meter, Hardness, Dimensions
Ferrous Hardness, Weight/Meter, Carbon content, Dimensions
Insulators High voltage test, Resistance test (Megger), Dimensions
Galvanizing Coating test, Zinc adhesivity test


In-Process and Final Tests: :

Type of Material Parameters checked
Disconnector & Switches Insulation test (HV test), Mechanical operating test, Contact pressure measurement, Resistance test
Operating Boxes Mechanical operating test, Auxiliary supply test  VCB Timing analysis, Insulation test (HV test), Mechanical operating test, Bouncing analysis, Travel characteristics

Do you need to reach to us

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