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Electro Industries/GaugeTech
Doc # E107706 V1.25 2-13
2.9:
Nexus
1250/1252
Meter
Specifications
Specification Nexus Meter
Control Power Requirements
Option D: 24V DC (-20%) – 48V DC (+20%)
Option D2: 120V AC/DC (-20%) – 230V AC (+20%)
Input Voltage Range
150 Volts Phase to Neutral (Standard; for use with PTs)
300 Volts Phase to Neutral (Option -G)
Input Current Range 10A Maximum (Programmable to any CT Ratio)
Surge Withstanding Per IEEE C37.90.1
Burden
Voltage: 0.05VA @ 120V rms
Current: 0.002VA @ 5A rms
I/O Isolation 2500V DC, 60 Hz
Sensing Method RMS
Update Time 90 msec
Frequency Range
Fundamental 20–65 Hz
Up to 83rd Harmonic Measuring Capability
Dimensions (HxWxL) 3.4 x 7.3 x 10.5 inches / 8.6 x 18.5 x 26.6 centimeters
Maximum Power Consumption 40 watts (with optional modules and display)
Nominal Power Consumption Approximately 12 watts (without optional modules and display)
Operating Temperature -40°C to +80°C / -40°F to +176°F
Auxiliary Output Power Voltage 15–20 V DC at 50–200mA
Maximum Auxiliary Power Current 1.6A (short protected)
Current: Continuous 200% Rated
Current: Surge 10x maximum input for 3 secondsInput Withstanding Capabilities
UL Listing
1244*
*Not evaluated for accuracy, reliability or capability to perform intended function.
Flicker (1252) Evaluation per IEC 61000-4-15