CET Electric Technology
115
Appendix D – Technical Specifications
Voltage Inputs (V1, V2, V3, VN)
Standard (Un)
Optional (Un)
Range
PT Ratio
Overload
Burden
240VLN/415VLL
69VLN/120VLL, 400VLN/690VLL
10% to 120% Un
1-10,000
1.2xUn continuous, 2xUn for 10s
<0.5VA @ 240V
Frequency
45-65 Hz
Current Inputs (I11, I12, I21, I22, I31, I32, I41, I42)
Standard (In / Imax)
Optional (In / Imax)
Range
CT Ratio (I1-I3)
I4 Ratio
Overload
Burden
5A / 10A
1A / 2A
0.1% to 200% In
1-6,000 (5A) or 1-30,000 (1A)
1-10,000
2xIn continuous, 20xIn for 1s
<0.25VA @ 5A
Power Supply (L+, N-)
Standard
Burden
95-277V L-N/415V L-L AC, 45-65Hz, 95-300V DC, OVC III
6W/10VA
Digital Inputs (DI1, DI2, DI3, DI4, DI5, DI6, DIC)
Type
Sampling
Hysteresis
Dry contact, 24VDC internally wetted
1000Hz
1-1,000ms programmable
Digital Outputs (DO11, DO12, DO21, DO22, DO31, DO32)
Type
Loading
Form A Mechanical Relay
5A @ 250VAC/30VDC
LED Pulse Outputs (kWh, kvarh)
Type
Pulse Constant
Optical
1000/3200/5000/6400/12800 imp/kxh
Analog Input (AI+, AI-)
Type
Overload
0-20 / 4-20 mA
24 mA maximum
Environmental Conditions
Operating Temp.
Storage Temp.
Humidity
Atmospheric Pressure
Altitude
Pollution Degree
Measurement Category
-25°C to 70°C
-40°C to 85°C
5% to 95% non-condensing
70 kPa to 106 kPa
< 3000m
2
CAT III
Mechanical Characteristics
Enclosure
Panel Cutout
Unit Dimensions
Shipping Dimensions
IP Rating
Shipping Weight
Aluminum Alloy
92x92 mm
96x96x119.5 mm
TBD
52
TBD
Accuracy
Parameters
Accuracy
Resolution
Voltage
±0.1%
0.01V
Current
±0.1%
0.001A
I4 Measured
±0.1%
0.001A
kW, kvar, kVA
±0.2%
0.001k
kWh, kVAh
IEC 62053-22 Class 0.2S
ANSI C12.20 Class 0.2
0.1kXh
kvarh
IEC 62053-24 Class 0.5S
0.1
kvarh
PF
±0.2%
0.001
Frequency
±0.01 Hz
0.01Hz
Harmonics
IEC 61000-4-7 Class A
0.1%
K-Factor
IEC 61000-4-7 Class A
0.01
Phase Angles
±1°
0.1°
AI
±0.5%
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