Appendix
A
Technical Specifications
144
EM13x Series SMART MULTIFUNCTION METER
A.5
Input Ratings
Voltage Inputs – Installation category III
Model with 3 Phase Power Supply – EM133-SE (Y &
)
Operating range: 120/207V to 277/480VAC for 1A/5A/RS5 models
Operating range: 120/207V to 230/400VAC for HACS models
Frequency range measurement 50-60 Hz
Burden for 277V: < 1.5 VA
Burden for 120V: < 2 VA
Model with Aux. Power Supply – EM132-133
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
Input impedance: 1000 k
Current Inputs (via CT) – Installation category III
Galvanic isolation: 4000V AC
5A secondary
(standard)
Current rating: 5A RMS
Maximum continuous current: 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
(1A option)
Current rating: 1A RMS
Maximum continuous current: 2A RMS
Frequency range measurement 25-400 Hz
Burden: < 0.02 VA @ In=1A
Overload withstanding:
3A RMS continuous, 80A RMS for 1 second
50A direct
(100A option)
Current rating: 50A RMS
Maximum continuous current: 100A RMS @ 55°C ambient temperature
Maximum continuous current: 60A RMS @ 60°C ambient temperature
Frequency range measurement 25-400 Hz up to 50A
Burden: < 0.02 VA @ In=50A
Overload withstanding:
