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Inviva
EPA242 EPA242
EPA242

EMOS GROUP
Innovative Technologies with Strong Solutions,
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EPA242

77x35 mm Sized, Ammeter with Optional Inputs and Outputs

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EPA242

4-digit digital display

Easy to adjust using the buttons on the front panel

5A/60mV, CT20/30 current transformer/60mV or 1A input

Selectable 0/4-20mA, 0-10V or 1-5V output (only for devices with output type 'A')

Programmable scale from 5...9999A

Multi-function alarm output for lower and upper limits

Communication feature via isolated RS-485 ModBus RTU protocol

Selectable AC, DC or True RMS measurement capability

Button lock feature

CT20/CT30 current transformer (must be ordered separately)

CE marked according to EN standards

Operating/Storage Temperature 0 ...+50 °C / -25...+70 °C
Relative Humidity Works with humidity up to 80% at 31°C, decreasing linearly to 50% at 40°C
Protection Class IP20, according to EN 60529 standard
Altitude Up to 2000m
Supply Voltage 90-250V AC 50/60Hz or 10-30V DC / 8-24V AC 50/60Hz
Power Consumption 7VA
Connection Screw terminal
Scale AC and RMS:
For input type 5A/60mV: 0...9999A (determined by the c.tr.r parameter)
For example: for c.tr.r=5, the scale is 0...5A
For input type CT20/30 or 60mV:
If itYP=CT20, scale is 0...300A (determined by the tUrn parameter)
For example: for tUrn=1, the scale is 0...300A
If itYP=CT30, scale is 0...120A (determined by the tUrn parameter)
For example: for tUrn=1, the scale is 0...120A
For input type 1A: 0...9999A (determined by the c.tr.r parameter)
For example: for c.tr.r=1, the scale is 0...1A
DC:
For input type 5A/60mV: -999...9999A (determined by the c.tr.r parameter)
For example: for c.tr.r=5, the scale is -5...5A
For input type CT20/30 or 60mV:
DC measurements are not made with current transformers
For itYP=SHnt, scale is -999..9999A (determined by the c.tr.r parameter)
For example: for c.tr.r=5, the scale is -5...5A
For input type 1A: -999...9999A (determined by the c.tr.r parameter)
For example: for c.tr.r=1, the scale is -1...1A
Sensitivity 0.002A x c.tr.r (for example, for c.tr.r=5, sensitivity is 0.01A)
Accuracy AC: ±%1 (of full scale) (for square wave: ±%2)
DC: ±%1 (of full scale)
RMS: ±%1 (of full scale) (for square wave: ±%2)
Input Range If input type is 60mV: -60mV...60mV (damage occurs if voltage exceeds 50V)
If input type is 1A: -1A...1A (damage occurs if voltage exceeds 2A)
If input type is 5A: -5A...5A (damage occurs if voltage exceeds 10A)
If input type is CT20/30: 0...150mA
Input Impedance For 60mV input: 20kohm
For 1A input: 90mohm
For 5A input: 12mohm
For CT20/CT30 input: 600mohm
Frequency Range DC, 20Hz - 70Hz
Alarm Output Relay: 250V AC, 8A (for resistive load), NO+NC
Analog Output 0/4-20mA, ±%0.5 (max load resistance 500ohm), 0-10V DC/1-5V DC, max 10mA, ±%0.5 (with short circuit protection)
Relay Lifetime No-load 30,000,000 switching; 250V AC, 8A resistive load 100,000 switching
Mounting Type Mounted on a TH35 type rail
Dimensions G77xY35xD61 mm
Weight Approximately 250g (including packaging)
Box Material Self-extinguishing plastics used

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