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2.2: Specifications<br />
<br />
Power Supply<br />
• Range: Universal, (90 to 400)VAC @50/60Hz or (100 to 370)VDC<br />
• Power Consumption: 16 VA Maximum<br />
Voltage Inputs (Measurement Category III)<br />
(For Accuracy Specifications, see Section 2.4.)<br />
• Absolute Maximum Range: Universal, Autoranging:<br />
Phase to Reference (Va, Vb, Vc, to VRef): (20 to 576)VAC<br />
Phase to Phase (Va to Vb, Vb to Vc, Vc to Va): (0-721)VAC<br />
• Supported hookups: 3 Element Wye, 2.5 Element Wye, 2 Element Delta,<br />
4 Wire Delta<br />
• Input Impedance: 1M Ohm/Phase<br />
• Burden: 0.36VA/Phase Max at 600V, 0.014VA at 120V<br />
• Pickup Voltage: 20VAC<br />
• Connection: 7 pin 0.400” Screw Terminal Block<br />
AWG#12 - 26/(0.129-3.31)mm 2<br />
• Fault Withstand: Meets IEEE C37.90.1 (Surge Withstand Capability)<br />
• Reading: Programmable Full Scale to any PT Ratio<br />
Current Inputs<br />
(For Accuracy Specifications, see Section 2.4.)<br />
• Class 10: 5A Nominal, 10A Maximum<br />
• Class 2: 1A Nominal, 2A Maximum<br />
• Burden: 0.005VA Per Phase Max at 11 Amps<br />
• Pickup Current: 0.1% of Nominal (0.2% of Nominal if using current only mode,<br />
that is, there is no connection to the voltage inputs.)<br />
• Connections: Screw terminal - #6-32 screws (Diagram 4.1)<br />
• Fault Withstand: 20A/10sec., 60A/3sec., 100A/1sec.<br />
• Reading: Programmable Full Scale to any CT Ratio<br />
<br />
Isolation<br />
• All Inputs and Outputs are galvanically isolated and tested to 2500VAC<br />
e Electro Industries/GaugeTech Doc #: E149721 2-4
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