4 input ratings – SATEC PM180 Installation Manual User Manual
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PM180 Substation Automation Unit
22
5.4 Input Ratings
AC Voltage Inputs: V1, V2, V3, VN
Measuring range: 57/100 – 400/690 VAC
Direct input and input via PT (up to 828VAC line-to-line, up to 480VAC line-to-neutral)
Burden for 277V: < 0.76 VA
Burden for 120V: < 0.144 VA
Overvoltage Withstand: 1000VAC continuous, 2500VAC for 1 second
Galvanic Isolation, withstanding insulation: 4kV AC @ 1mn
Wire Size: up to 10 AWG (up to 6 mm
2
)
Terminals Pitch 7.5 mm
AC/DC Voltage Input: V4, Vref
Operating Range: 400VAC
Direct input and input via PT (up to 480VAC) or Battery input
Input Impedance: > 10MOhm
Burden for 400V: << 0.01 VA
Burden for 120V: << 0.01 VA
Overvoltage Withstand: 1000VAC continuous, 2500VAC for 1 second
Resistive Isolation, withstanding Insulation: 4kV AC @ 1mn
Wire Size: 10 AWG (up to 6 mm
2
)
Terminals Pitch: 7.5 mm
Standard AC Current Inputs: I1, I2, I3, I4
Input via Internal CT with 5A secondary
Operating range: maximum continuous 10A/20A RMS (ANSI C12.20 and IEC 62053-22)
Nominal measured Current: 5A RMS
Fault measured Currents: up to 50A RMS (10x)
Burden: < 0.15 VA
Overload Withstand: 50A RMS continuous, 250A for 1 second
Wire Size: 10 AWG (2.5 to 6 mm
2
)
Terminals Pitch: 9.5 mm
Input via Internal CT with 1A secondary
Operating Range: continuous 4A RMS (ANSI C12.20) or 2A RMS (IEC 62053-22)
Nominal measured Current: 1A RMS
Fault measured Currents: up to 10A RMS
Burden: < 0.02 VA
Overload Withstand: 10A RMS continuous, 50A for 1 second
Wire Size: 10 AWG (2.5 to 6 mm
2
)
Terminals Pitch: 9.5 mm
Input via SATEC HACS 100A with 40mA secondary
Operating range: maximum continuous 10A/20A RMS (ANSI C12.20 and IEC 62053-22)
Nominal measured Current: 5A RMS
Fault measured Currents: up to 100A RMS (20x)
Burden: < 0.15 VA
Overload Withstand: 100A RMS continuous, 250A for 1 second