SATEC EM132-133 Manual - Manual (Page 127)

‎Appendix A Technical Specifications
EM13x Series SMART MULTIFUNCTION METER 127
A.5 Input Ratings
Voltage Inputs
Model with 3 Phase Power Supply (EM133-SE)
Operating range: up to 277/480VAC
Frequency range measurement 50-60 Hz
Burden for 277V: < 1.5 VA
Burden for 120V: < 2 VA
Model with Aux. Power Supply:
Operating range: up to 400/690 VAC
Measurement range: direct input and input via PT up to 828VAC line-to-
line, up to 480VAC line-to-neutral
Frequency range measurement 25-400 Hz
Burden for 400V: < 0.4 VA
Burden for 120V: < 0.04 VA
Over-voltage withstands: 1000 VAC continuous, 2000 VAC for 1 second
Wire size: up to 12 AWG (> 3.5mm2)
Input impedance: 1000 k 
Current Inputs (via CT)
Wire size: 8 AWG (> 16 mm2)
Galvanic isolation: 4000V AC
5A secondary (standard)
Operating range: continuous 10A RMS
Frequency range measurement 25-400 Hz
Burden: < 0.2 VA @ In=5A
Overload withstanding:
15A RMS continuous, 300A RMS for 1 second
1A secondary (option)
Operating range: continuous 2A RMS
Frequency range measurement 25-400 Hz
Burden: < 0.02 VA @ In=1A
Overload withstanding:
3A RMS continuous, 80A RMS for 1 second
100A direct (option)
Operating range: continuous 100A RMS
Frequency range measurement 40-400 Hz up to 100A
Frequency range measurement 25-400 Hz up to 50A
Burden: < 0.02 VA @ In=50A
Overload withstanding:
120A RMS continuous, 2500A RMS for 1 second
40mA secondary – with external CT (option)