30 Appendix A: Technical Specifications
Appendix A: Technical Specifications
Input and Output Ratings
3 galvanically
isolated voltage
inputs
120 V
(Option
U)
INPUT USING PT (up to 120+20% V line-to-
line voltage)
Burden: < 0.015 VA
660 V
DIRECT INPUT (up to 660 V line-to-line
voltage or up to 550 V line-to-neutral voltage)
Burden: < 0.3 VA
3 galvanically
isolated current
inputs
1 A
INPUT via CT with 1 A secondary output
Burden: < 0.15 VA
Measurement up to 1.2 A RMS, 1.76A amplitude
Overload withstand: 2 A RMS continuous, 30 A
RMS for 1 second
5 A INPUT via CT with 5 A secondary output
Burden: < 0.15 VA
Measurement up to 6 A RMS, 8.8A amplitude
Overload withstand: 10 A RMS continuous, 150A
RMS for 1 second
1 galvanically
isolated ground
current input
(Option L)
5mA input via CT with 5mA secondary output
Burden: < 0.1 mVA
Overload withstand: 30mA RMS continuous, 400mA
RMS for 1 second
External
synchronization
input
Optically isolated, dry contact sensing input (voltage-
free)
Relay outputs 3 relays rated at 5A, 250 VAC, 2 contacts (SPST
Form A)
1 relay rated at 5A, 250 VAC, 3 contacts (SPDT
Form C)
Analog output Range 0-20 mA/4-20 mA (upon order)
CMV Isolation 1500 V RMS
Offset Temperature ±300 nA/°C
Non-Linearity ±0.02%
Accuracy 0.5% FS
Offset ±100 µA
Maximum Load 510
Ω
Power Supply 15 - 30 VDC, external
Communication One serial port, EIA RS-232 or RS-422/RS-485
(optically isolated) standards
Connector: 9-pin female D-type