
“Relay Calibration is the precision adjustment of protection relays using secondary injection tests to ensure that circuit breakers trip accurately according to predefined time-current curves.”
SK Enterprises calibrates and tests protection relays of every generation—electromechanical, static, and numerical. Services include IDMT curve verification by secondary injection, full-loop primary injection, directional and differential element testing, numerical relay programming, and protection coordination checks. Based in New Delhi NCR with North India coverage and pan-India support on request, we make sure your breakers trip exactly when they should.
Our engineers are trained across all major switchgear makes, so a single team can maintain your entire mixed-OEM fleet.
Our relay testing AMC includes periodic secondary injection verification of every relay in your protection scheme, settings backup and documentation, trip circuit checks, and re-coordination support after load or network changes.
Headquartered in New Delhi NCR, SK Enterprises performs relay testing and calibration using portable secondary injection kits across Delhi, Noida, Greater Noida, Ghaziabad, Gurgaon, Faridabad, Chandigarh, Mohali, Panchkula, Jaipur, Lucknow, Kanpur, Dehradun, Haridwar, Roorkee, Meerut, Agra, Ludhiana, Jalandhar, Amritsar, and Jammu, with pan-India industrial site support on request.
Technical site assessment booked within 4hrs of form submission.