Electrical Specifications 9300 Series User’s Guide
Page 158 Chapter 7 - Hardware Reference
Potential Transformers
CAUTION
In cases where PTs are required, the secondaries should be fused.
Current InputsCurrent Transformers
1The CT burden rating must exceed the combined burden of the meter, plus cabling, plus any other
connected devices.
Specification Description
Use of PTs Required for all systems with voltage levels greater than those above
Secondary Rating 50 to 347 VAC +25% is required
Specification Value
Overload 20 Amps continuous, 500 Amps for 1 second, non-recurring
Burden 0.0625 VA @ 10 Amps
Phase Current Wire Type AWG 14 to 12 wire
Starting Current 2 mA
Specification Value
Primary Rating Equal to the current rating of the power feed protection device
Burden Rating >3 VA 1
Secondary Rating 5 Amp nominal, 10 Amp full-scale