M87X datasheet(93/148 Pages) ALSTOM

93 / 148 page

User Manual

M87x/EN M/K

M87x

Page 91

Accuracy

Accuracies are specified at nominal Frequency and 25C, unless otherwise specified. Temperature Coefficient <25ppm. All values are true RMS and include

Harmonics to the 63rd (minimum)

Voltage

AC: Better than 0.1% of reading (20 to 425V rms, input-to-case). DC (AUX Inputs): +/- 0.2V (24 to 250Vdc, input-to-case)

Better than 0.1% of reading +/- 500μA (0.5A to 100.0A),

Current (S10,

S13, S16 bus 2)

Better than 0.1% of reading +/- 1mA (0.05A to 0.5A).

Better than 0.1% of reading +/- 100μA (0.5A to 20.0A),

Current (S11,

S14, S16 bus 1,

S17 bus 2)

Better than 0.1% of reading +/- 250μA (0.05A to 0.5A).

Better than 0.1% of reading +/- 20μA (0.1A to 4.0A),

Current (S12,

S15, S17 bus 1)

Better than 0.1% of reading +/- 50μA (0.01A to 0.1A).

Frequency

+/- 0.001 Hertz (accuracy is specified at nominal Frequencies and over operating temperature range)

Phase Angle

+/- 0.2 Deg

Power

Better than 0.2% of reading (>20% of nominal inputs, 1PF to 0.7PF)

Environmental

Operating Temperature

-40C to 70C

Relative Humidity

0-95% non-condensing

Installation Category

IC III (Distribution Level) Refer to definitions in section 1.3.1.

Pollution Degree

Pollution Degree 2 Refer to definitions in section 1.3.1.

Enclosure Protection

IP20 to IEC60529:1989

Altitude

Up to and including 2000m above sea level

Intended Use

Indoor use; Indoor/Outdoor use when mounted in an appropriately rated protective enclosure to NEMA or IP protection classifications,

as required for the installation.

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