750-495/040-002 - 3-Phase Power Measurement; 690 VAC Rogowski coils; Extreme

Number of measurement inputs

7 (3 voltage measurement inputs, 4 differential current measurement inputs)

Signal type

Power measurement

Signal form

Any periodic signals (considering the threshold frequencies)

Resolution [bit]

24

Data width

2 x 128-bit data; 2 x 64-bit control/status

Voltage path input resistance (typ.)

1429

Current path input resistance (typ.)

44 kΩ

Reference for measurement error

AC current/voltage

Measurement error, reference temperature

25

Measurement error, deviation max (upper-range value) ≤±

0.5

Measurement current (max.)

Rogowski Coils RT500/RT2000

Measurement cycle time

Adjustable for the arithmetic mean value, min./max. values

Frequency range (mains frequency)

45 … 65 Hz

Frequency range (harmonics analysis)

0 … 3300 Hz

Limit frequency

15.9

Rated voltage

U_LN = 400 VAC; U_LL = 690 VAC

Calculated values

Line-to-line voltage, power output, energy, power factors, mains frequency, harmonic analysis (up to the 41st harmonic), THD

Measurement components

Evaluating

Measurement method

True RMS measurement

Supply voltage (system)

5 VDC; via data contacts

Current consumption (5 V system supply)

100

Dielectric strength

2.5 kV (AC)/3.5 kV (DC); per EN 60870-2-1

Rated surge voltage

5.0 kV (EN 60870-2-1 / Class VW3); 6.0 kV (UL 508); 6.0 kV (EN 60664-1 / to 4,000 m ASL); 4.0 kV (EN 60664-1 / > 4,000 m to 5,000 m ASL)

Overvoltage category

Nominal voltage 400 V/690 V in a 3-phase system: III (EN 60664-1 / to 4,000 m ASL); II (EN 60664-1 / > 4,000 m up to 5,000 m ASL)

Connection technology: inputs / outputs

16 x CAGE CLAMP^®

Connection type 1

Inputs/Outputs

Solid conductor

0.25 … 2.5 mm² / 24 … 14 AWG

Fine-stranded conductor

0.25 … 2.5 mm² / 24 … 14 AWG

Strip length

8 … 9 mm / 0.31 … 0.35 inch

Width

24 mm / 0.945 inch

Height

100 mm / 3.937 inch

Depth

67.8 mm / 2.669 inch

Depth from upper-edge of DIN-rail

60.6 mm / 2.386 inch

Mounting type

DIN-35 rail

Color

dark gray

Housing material

Polycarbonate; polyamide 6.6

Fire load

0.273

Weight

90

Conformity marking

CE

Ambient temperature (operation)

-40 … +70 °C

Surrounding air temperature (storage)

-40 … +85 °C

Protection type

IP20

Pollution degree (5)

2 per EN 60664-1

Operating altitude

without temperature derating: 0 … 2000 m; with temperature derating: 2000 … 5000 m (0.5 K/100 m); 5000 m (max.)

Mounting position

horizontal (standing/lying); vertical

Relative humidity (without condensation)

95

Relative humidity (with condensation)

Short-term condensation per Class 3K7/IEC EN 60721-3-3 and E-DIN 40046-721-3 (except for wind-driven precipitation, water and ice formation)

Vibration resistance

per IEC 60068-2-6 (acceleration: 5g), EN 60870-2-2, IEC 60721-3-1, -3, EN 50155; EN 61373

Shock resistance

per IEC 60068-2-27 (15g/11 ms/half-sine/1,000 shocks; 25g/6 ms/1,000 shocks), EN 50155, EN 61373

EMC immunity to interference

Per EN 61000-6-1, -2; EN 61131-2; marine applications; EN 50121-3-2; EN 50121-4, -5; EN 60255-26;
EN 60870-2-1; EN 61850-3; IEC 61000-6-5; IEEE 1613; VDEW: 1994

EMC emission of interference

per EN 61000-6-3, -4, EN 61131-2, EN 60255-26, marine applications, EN 60870-2-1, EN 61850-3, EN 50121-3-2, EN 50121-4, -5

Exposure to pollutants

Per IEC 60068-2-42 and IEC 60068-2-43

Permissible pollutant concentration H₂S at a relative humidity < 75%

10

Permissible pollutant concentration SO ₂ at a relative humidity < 75%

25