Iec61869-2 Work Jun 2026

Perhaps the biggest shift is the formal integration of (IEC 61869-6 used to cover these; now they live harmoniously under the 61869-2 umbrella with specific accuracy classes like 0.5E, 1E, 5E).

If you are specifying a new substation or retrofitting digital relays, you need to understand IEC 61869-2. Here is why. iec61869-2

The standard refines the classes (TPX, TPY, TPZ, TPS). Perhaps the biggest shift is the formal integration

Performed at the request of the customer. iec61869-2

IEC 61869-2 is the successor to the widely used . The reasons for the transition include:

While the physics of the CT hasn't changed, the rulebook has. Here are the critical differences you need to know: