Appendix: Technical Specifications
34
Terminals Pitch: 9.5 mm
Standard AC Current Inputs: I1, I2, I3, I4
Input via CT with 5A secondary
Operating range: continuous 20A RMS (ANSI C12.20) or 10A RMS (IEC687)
Fault Currents: up to 150A RMS (30x)
Burden: < 0.15 VA
Overload Withstand: 20A RMS continuous, 250A for 1 second
Wire Size: 10 AWG (2.5 to 6 mm
2
)
Terminals Pitch: 13 mm
Input via CT with 1A secondary
Operating Range: continuous 4A RMS (ANSI C12.20) or 2A RMS (IEC687)
Fault Currents: up to 30A RMS
Burden: < 0.02 VA
Overload Withstand: 4A RMS continuous, 50A for 1 second
Wire Size: 10 AWG (2.5 to 6 mm
2
)
Terminals Pitch: 13 mm
Optional AC Current Inputs: I5, I6, I7, I8
Input via CT with 5A secondary
Operating Range: continuous 20A RMS (ANSI C12.20) or 10A RMS (IEC687)
Burden: < 0.15 VA
Overload Withstand: 20A RMS continuous, 250A for 1 second
Wire Size: 12 AWG (1.5 to 3.5 mm
2
)
Terminals Pitch: 10 mm
Input via CT with 1A secondary
Operating Range: continuous 4A RMS (ANSI C12.20) or 2A RMS (IEC687)
Burden: < 0.02 VA
Overload Withstand: 4A RMS continuous, 50A for 1 second
Wire Size: 12 AWG (1.5 to 3.5 mm
2
)
Terminals Pitch: 10 mm
VDC Voltage Input
Operating Range: 2-290 VDC
Burden: < 0.2 W
Accuracy:
±
0.5%
Galvanic Isolation: 2500V DC
Wire Size: 10 AWG (up to 6 mm
2
)
Terminals Pitch: 9.5 mm
Scan time: 1/2 cycle
Plug-In I/O Ratings
Digital Inputs (up to 3 I/O Modules)
Scan time: 1 ms @ 60Hz, 1.25 ms @ 50Hz.
16-DI optically isolated, dry contact sensing (voltage-free):
Internal power supply 24 VDC
Sensitivity: open @ input resistance >100kOhm, closed @ input resistance <1kOhm
Wire Size: 12 AWG (up to 2.5 mm
2
)
Terminals Pitch: 5 mm
16-DI optically isolated, wet contact sensing:
External Power Supply: 24 VDC
Sensitivity: open @ voltage<8 volts, closed @ voltage>17 volts
Wire Size: 12 AWG (up to 2.5 mm
2
)
Terminals Pitch: 5 mm
