The organization including R&D center, manufacturing & services is certified to ISO9001:2000.
HECL’S SMPS Rack Power Systems based on 25A, 50A, 100A, & 200A Rectifier modules are type approved to specifications of TEC (Telecommunication Engineering Centre) of Indian Deptt of telecom. TEC approval is mandatory for equipments used in public sector telecom networks and is also followed by private operators The latest TEC specification for power plants is G/SMP-01/04FEB2001 AMD V.

HECL also has TEC type approved telephone instruments.

HECL’S Rack Power Systems are tested/conform to following international standards:

Function/test Standards
DC voltage test In accordance with UL 950 & IEC 950
Lightning & Surge Protection IEC 61312, IEC 61024, VDE 0675 Psophomeric noise ITUT Rec. P-53
Emission IEC/CISPR 22 ‘A’
Immunity IEC 61000-4-2 IEC 61000-4-3 IEC 61000-4-4 IEC 61000-4-5 IEC 61000-4-6