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Auxiliary power supply - UAUX nominal value 230 230V 50/60 Hz
-P1 22...36VCA and 19...70VCC
-P2 44...130VCA and 70....240VCC
- max rated consumption 2 VA
Amp measuring circuits for CT /5
- Max applicable current (Imax) 6A
- Rated current measurement (Inom) 5A
- Direct measurement range approx 20mΩ ± 1%
- Permanent overload 110% (Inom)
- Thermal overload (1 s) 200% (Inom)
- Current transformer (Ct) control range (/5) 5…6000A at steps of 5A
- Precision 0.5%*Imax ± 2 digits
Compatible amp transformers - rated current 5 A
- Transformer ratio 1…1200
Voltmeter measuring circuits (instrument for direct insertion)
- Max applicable voltage (Vmax) 300 Vf n (5 20 Vff)
- Rated voltage measurement (Vnom) 231Vfn(400Vff)
- Direct measuring field 0-300Vfn (520Vff) TRMS up to 20ma arm.
- Input impedance of voltage circuit approx 2MΩ Phase/Neutral and Phase/Phase
- Vt control range =Vnom
- Precision 0.5%*Vmax ± 2 digits
Voltmeter measuring circuits (instrument for insertion from VT /100)
- Maximum applicable voltage (Vmax) 75Vfn(130Vff)
- Rated voltage measurement (Vnom) 57,75 Vfn(100Vff)
- Direct measuring range 0-75Vfn(130Vff) TRMS up to 20ma arm.
- Imput impedance 500KΩ Phase/Neutral and Phase/Phase about
- Control range VT 50…400Vfn(86,5…692Vff)
Compatible voltmeter transformers - Rated voltage 100 V
- Transformer ratio 1...6
Frequency measurement - Frequency measuring range 9.50...100.00Hz
- Operating range (V1) 35 – 300 Vfn
- Precision 0.1% ± 1 digit
Single power measurement - Measurement capacity per line ±2.88 MW /±2.88Mvar /2.88MVA
- Precision (0.05 > Inom > 1.0) 1 % full scale ± 2 digits
Total power measurements - Measuring capacity ±8.64 MW /±8.64Mvar /8.64MVA
- Precision (0.05 > Inom > 1.0) 1 % ± 2 digits
Power factor measurement (all) - Measuring range cosφ -1.00…0.00…+1.00
- Precision (0.1 > Inom > 1.0, 0.8 > Vnom >1.2) 2% full scale ± 2 digits
Energy totalizing - Counting capacity 99999999kWh /kvarh
- Counting period 15 minutes
- Resettable YES
- Precision (0.05 > Inom > 1.0) 2% Max
Operating counter - Counting capacity 99999:59 hhhhhh:mm
- Counting period 15 minutes
- Resettable NO
- Precision 2% Max
Partial counter - Counting capacity 99999:59 hhhhhh:mm
- Counting period 15 minutes
- Resettable YES
- Precision 2% Max
Screens - Display Backlit LCD, 8 characters x 2 lines, temp. -20°/+70°
- Auxiliary signals 6 red LEDs
Relay control output (only “S” models) - Type of contact NO
- Contact specifications 1000Vac / 0.5Aac(res. load) / 20VA max
- Reel-contact insulation 4.25kVac
- Remote operation via MODBUS YES, only for “S485” models
RS485 serial interface (only “485” models) - Insulation 3kV
- Max communication speed 115.200 bps
- Communication protocol MODBUS RTU Full-compliant / JBUS
- Programmability and remote controls YES
Special functions - 3-digit password for programming the settings
- Black-out indicator system
Terminal specifications - Rated current 30A
- Cable cross-section 22-10AWG 4mm²
- Torque 0.5Nm (4.5lb.in)
Mechanical properties - Dimensions Standard 4 DIN modules
- Type of assembly DIN50022 guide
- Degree of protection for entire device: IP20/ Front IP30
Environmental conditions - Operating temperature:
Nominal range 0...+45 °C Extreme range -5...+55 °C
- Storage temperature -10...+70 °C
- Relative humidity 10...95 %
- Atmospheric pressure 70...110 kPa
Standards of reference - Safety CEI EN 61010-1 300V CAT III
- Precision CEI EN 60688 (ex EN 50082-2)
- Electromagnetic compatibility (immunity) CEI EN 61000-6-2 (ex EN 50081-2)
- Electromagnetic compatibility (emission) CEI EN 61000-6-4
- Cover protection (IP code) CEI EN 60529
Modbus: - Protocol specifications V1.1b, 28.12.2006
TECHNICAL SPECIFICATIONS
1RAEM4 Impaginato I_GB_SPA:1 11-02-2009 17:37 Pagina 8