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2.9: Nexus 1250/1252 Meter Specifications
Specification
Control Power Requirements
Input Voltage Range
Input Current Range
Input Withstanding Capabilities
Burden
I/O Isolation
Sensing Method
Update Time
Frequency Range
Dimensions (HxWxL)
Maximum Power Consumption
Nominal Power Consumption
Operating Temperature
Auxiliary Output Power Voltage
Maximum Auxiliary Power Current
UL Listing
Flicker (1252)
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Electro Industries/GaugeTech
Option D: 24V DC (-20%) – 48V DC (+20%)
Option D2: 120V AC/DC (-20%) – 230V AC (+20%)
150 Volts Phase to Neutral (Standard; for use with PTs)
300 Volts Phase to Neutral (Option -G)
10A Maximum (Programmable to any CT Ratio)
Current: Continuous 200% Rated
Current: Surge 10x maximum input for 3 seconds
Surge Withstanding Per IEEE C37.90.1
Voltage: 0.05VA @ 120V rms
Current: 0.002VA @ 5A rms
2500V DC, 60 Hz
RMS
90 msec
Fundamental 20–65 Hz
Up to 83rd Harmonic Measuring Capability
3.4 x 7.3 x 10.5 inches / 8.6 x 18.5 x 26.6 centimeters
40 watts (with optional modules and display)
Approximately 12 watts (without optional modules and display)
-40°C to +80°C / -40°F to +176°F
15–20 V DC at 50–200mA
1.6A (short protected)
1244*
*Not evaluated for accuracy, reliability or capability to perform intended function
Evaluation per IEC 61000-4-15
Doc # E107706 V1.25
Nexus Meter
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