Heptacare instrument transformers are designed to transform high current and high voltage levels to low, measurable values with defined accuracy and in conformance with the latest IS & IEC standards — operating reliably at steady state and under extreme fault conditions. Serving power utilities across the subcontinent for more than 30 years.
Operational experience of more than 30 years in designing and manufacturing instrument transformers
Quick and flexible turnaround time meeting customer delivery schedules
Conforming to IS 16227 / IEC 61869 with type-tested designs up to 220 kV
Reasonable costing with benchmark quality and NABL accredited lab with traceability to national standards
Achieving perfection through continuous iterative improvement with extended product range
Established performance in all major utilities across India, with market reach extending nationally and internationally every year
Outdoor OIP insulated current transformers for transmission networks and substations
View Specifications →Outdoor OIP insulated inductive voltage transformers for metering and protection
View Specifications →Outdoor OIP insulated current transformers for distribution and industrial networks
View Specifications →Outdoor OIP insulated single-phase, three-phase and Residual Voltage Transformers for MV metering and protection
View Specifications →Indoor epoxy resin cast instrument transformers and metering cubicles for switchgear panels and industrial systems
View Specifications →Single-tank combined current and voltage transformers for outdoor distribution metering
View Specifications →Our engineering team can help you specify the right instrument transformer for your project.
